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PARAMOUNT CHEMISTRY

PARAMOUNT CHEMISTRY
100問 • 2年前
  • Harsh Daddy
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  • 1

    The motion of particle is known as

    brownian motion

  • 2

    Zig zag movement of the small particles suspended in a liquid or a gas is known as

    brownian motion

  • 3

    which increase in temperature brownian motion

    increases

  • 4

    Force of attraction is also called

    Inter molecular attraction

  • 5

    Heat energy required to change the state of substance without change in temperature is known as

    Latent heat of fusion

  • 6

    Amount of solute present in the saturated solution at a given temperature is called

    solubility

  • 7

    when no more solute can be dissolved in a solution at a given temperature is called

    saturated solution

  • 8

    It is a heterogeneous mixture in which solute particles do not dissolve but remain suspended throughout the bulk of the medium

    Suspension

  • 9

    It is a kind of solution in which the size of solute particles is intermediate between those in true solution & those in suspensions

    Colliod

  • 10

    Scattering of a beam of light is called

    Tyndall effect

  • 11

    colliod particle can be separated through

    centrifugation

  • 12

    Two immiscible liquid can be separated by

    Funnel

  • 13

    It is use to separate those solute that dissolves in the same solvent

    Chromotography

  • 14

    Two miscible liquid can be separated by

    Distillation

  • 15

    It is used for purifying solids

    Crystallisation

  • 16

    It is a link between the mass of atoms or molecule and the number of atoms or molecule

    mole

  • 17

    Avagado number or mole

    6.022×10²³

  • 18

    The total number of proton in one atom of an elements is known as

    Atomic number

  • 19

    It is a positively charged particle at the centre of the atom

    nucleus

  • 20

    It is the only element which has one electron , one proton but no neutron

    Hydrogen

  • 21

    Maximum members of electron accomodated in any energy level of atom is

    2n²

  • 22

    It is a element having same atomic mass but different atomic number

    Isobars

  • 23

    It is the process of spliting a heavy nucleus into lighter nucleus

    nuclear fission

  • 24

    It is the process in which two very light nuclei combine to form a nucleus with large mass

    Nuclear fusion

  • 25

    1nanometer equals to

    1/10⁹

  • 26

    The amount of substance whose mass in gram is numerically equals to its atomic mass is called

    Gram atomic mass

  • 27

    Atoms of different elements joins together in definite proportion to form

    Molecules of a compound

  • 28

    It represents the composition of a molecule of the substance in terms of the symbol of the elements present in the molecules

    Chemical formula

  • 29

    Chemical formula is also known as

    Molecular formula

  • 30

    It is a positively or negatively charged atom

    Ion

  • 31

    Positively charged Ion are

    anion

  • 32

    Negatively charged Ion are

    anion

  • 33

    The combining power of an element is known as

    valency

  • 34

    The combining capacity of an atom by gaining or loosing the valance electron to gain octate state is known as

    valancy of that element

  • 35

    The force that holds any two atoms to form a new entity is called

    Chemical bonding

  • 36

    This bond is formed by complete transfer of one or more electrons from the valance shell of one atom to the valance shell of another atom

    Ionic bond or electrovalent bond

  • 37

    when a bond is formed by the mutual sharing of electrons is known as

    Covalent bond

  • 38

    One side sharing of electron is called

    coördinate covalent bond

  • 39

    Phenomenon of radioactivity was discovered by

    A.H.Becquerel

  • 40

    Phenomenon of radioactivity was discovered on

    1886

  • 41

    The phenomenon of spontaneous emission of radiation by heavy element is called

    Radioactivity

  • 42

    It is a positively charged helium atom can be absorberd by the sheet of paper or can be stopped by aluminium foil

    Alpha particle

  • 43

    Negatively charged light particle

    Beta particle

  • 44

    electromagnetic radiation of low wavelength , high frequency and high energy

    Gamma particles

  • 45

    Isotopes which are unstable and emmit various types of radiation

    Radioactive isotopes

  • 46

    It is produced when cathode ray fall on anti-cathodes

    x-ray

  • 47

    Nuclear reaction was discovered by

    Rutherford

  • 48

    It is one in which a nucleus is bombared with an elementary particle or with another nucleus to produce other products in very short period of time

    Nuclear reaction

  • 49

    Nuclear reaction was discovered in

    1919

  • 50

    It is the fragmentation of large nucleus into two smaller nuclei and produces a large amount of energy

    Nuclear fission

  • 51

    Splitting of uranium is called

    nuclear fission

  • 52

    Nuclear fission was discovered by

    Otto Hahan & F.steersman

  • 53

    Atomb Bomb was dropped on Hiroshima on

    6aug 1945

  • 54

    Atomb Bomb was dropped on Nagasaki on

    9aug 1945

  • 55

    It is a nuclear reaction in which lighter nuclei fuse to form a nucleus of greater mass

    Nuclear fusion

  • 56

    The elements having same atomic number but different atomic mass

    Isotopes

  • 57

    Element having same atomic mass but different atomic number

    Isobars

  • 58

    Element having the same number of neutron

    Isotones

  • 59

    molecules and ions having same number of atoms as well as electron

    Isosters

  • 60

    Phenomenon in which neutron liberated during a fission process lead to further fission of atoms , releasing a large amount of energy

    chain reaction

  • 61

    Addition of oxygen and removal of hydrogen from a substance is called

    oxidation

  • 62

    Addition of hydrogen and removal of oxygen from a substance is called

    Reduction

  • 63

    The substance which gives hydrogen or remove oxygen is called

    reducing agent

  • 64

    A chemical reactions in which only one substance get oxidised as well as reduced is known as

    disproportional reaction

  • 65

    If a reaction which proceeds in both direction is known as

    reversible reaction

  • 66

    A reaction which proceeds in one direction is known as

    irreversible reaction

  • 67

    The process rate of conversion of reactants into product and product into reactants becomes equal to each other

    Equilibrium

  • 68

    substance which furnish ions are called

    electrolyte

  • 69

    A compound which conducts electricity when dissolved in water or in molten state is known as

    electrolyte

  • 70

    Chemical name of common salt

    sodium chloride

  • 71

    Chemical name of caustic soda

    Sodium hydroxide

  • 72

    Chlorine gas is produced at

    Anode

  • 73

    Hydrogen gas is produced at

    cathode

  • 74

    Sodium hydroxide is produced near

    Cathode

  • 75

    The process of electrolysis of sodium chloride solution is known as

    Chlor-alkali process

  • 76

    soda ash is called

    annhydrous sodium carbonate

  • 77

    Chemical name of baking soda

    Sodium hydrogen carbonate

  • 78

    Baking soda is also called

    bi-carbonate

  • 79

    bleaching powder is also called

    calcium oxychloride

  • 80

    What is also called chloride of lime

    Bleaching powder

  • 81

    Chemical name of plater of Paris

    calcium sulphate

  • 82

    Gypsum is also called

    calcium sulphate dehydrate

  • 83

    which is known as Electropositive element

    metals

  • 84

    Metal which doesn't from positive ion by lossing electron

    Hydrogen

  • 85

    metal which is not solid

    Mercury

  • 86

    metal which is poor conductor of heat

    lead

  • 87

    metals which are soft

    Both sodium and potassium

  • 88

    metals having low melting point

    Both sodium and potassium

  • 89

    when metals are burnt in air they react with air and form

    metal oxide

  • 90

    Metals which are stored under kerosine oil

    Both potassium and sodium

  • 91

    Metals oxides are

    basic in nature

  • 92

    Some metal oxides show acidic as well as basic behaviour are known as

    Amphoteric oxides

  • 93

    Metals reacts with water to form

    Metal hydroxide

  • 94

    metals which react with steam

    all of the above

  • 95

    Metals which dont react with steam and water

    all of the above

  • 96

    Metals reacts with chlorine to form

    Electrovalent chloride

  • 97

    Sodium reacts with chlorine to form a electrovalent chloride called

    sodium chloride

  • 98

    when hydrogen gas is passed over heated solution then it forms

    sodium hydride

  • 99

    only non metal which is good conductor of electricity

    Graphite

  • 100

    It is used in making of electrodes

    Graphite

  • PARAMOUNT CHEMISTRY 2

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    award and their starting date done

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    問題一覧

  • 1

    The motion of particle is known as

    brownian motion

  • 2

    Zig zag movement of the small particles suspended in a liquid or a gas is known as

    brownian motion

  • 3

    which increase in temperature brownian motion

    increases

  • 4

    Force of attraction is also called

    Inter molecular attraction

  • 5

    Heat energy required to change the state of substance without change in temperature is known as

    Latent heat of fusion

  • 6

    Amount of solute present in the saturated solution at a given temperature is called

    solubility

  • 7

    when no more solute can be dissolved in a solution at a given temperature is called

    saturated solution

  • 8

    It is a heterogeneous mixture in which solute particles do not dissolve but remain suspended throughout the bulk of the medium

    Suspension

  • 9

    It is a kind of solution in which the size of solute particles is intermediate between those in true solution & those in suspensions

    Colliod

  • 10

    Scattering of a beam of light is called

    Tyndall effect

  • 11

    colliod particle can be separated through

    centrifugation

  • 12

    Two immiscible liquid can be separated by

    Funnel

  • 13

    It is use to separate those solute that dissolves in the same solvent

    Chromotography

  • 14

    Two miscible liquid can be separated by

    Distillation

  • 15

    It is used for purifying solids

    Crystallisation

  • 16

    It is a link between the mass of atoms or molecule and the number of atoms or molecule

    mole

  • 17

    Avagado number or mole

    6.022×10²³

  • 18

    The total number of proton in one atom of an elements is known as

    Atomic number

  • 19

    It is a positively charged particle at the centre of the atom

    nucleus

  • 20

    It is the only element which has one electron , one proton but no neutron

    Hydrogen

  • 21

    Maximum members of electron accomodated in any energy level of atom is

    2n²

  • 22

    It is a element having same atomic mass but different atomic number

    Isobars

  • 23

    It is the process of spliting a heavy nucleus into lighter nucleus

    nuclear fission

  • 24

    It is the process in which two very light nuclei combine to form a nucleus with large mass

    Nuclear fusion

  • 25

    1nanometer equals to

    1/10⁹

  • 26

    The amount of substance whose mass in gram is numerically equals to its atomic mass is called

    Gram atomic mass

  • 27

    Atoms of different elements joins together in definite proportion to form

    Molecules of a compound

  • 28

    It represents the composition of a molecule of the substance in terms of the symbol of the elements present in the molecules

    Chemical formula

  • 29

    Chemical formula is also known as

    Molecular formula

  • 30

    It is a positively or negatively charged atom

    Ion

  • 31

    Positively charged Ion are

    anion

  • 32

    Negatively charged Ion are

    anion

  • 33

    The combining power of an element is known as

    valency

  • 34

    The combining capacity of an atom by gaining or loosing the valance electron to gain octate state is known as

    valancy of that element

  • 35

    The force that holds any two atoms to form a new entity is called

    Chemical bonding

  • 36

    This bond is formed by complete transfer of one or more electrons from the valance shell of one atom to the valance shell of another atom

    Ionic bond or electrovalent bond

  • 37

    when a bond is formed by the mutual sharing of electrons is known as

    Covalent bond

  • 38

    One side sharing of electron is called

    coördinate covalent bond

  • 39

    Phenomenon of radioactivity was discovered by

    A.H.Becquerel

  • 40

    Phenomenon of radioactivity was discovered on

    1886

  • 41

    The phenomenon of spontaneous emission of radiation by heavy element is called

    Radioactivity

  • 42

    It is a positively charged helium atom can be absorberd by the sheet of paper or can be stopped by aluminium foil

    Alpha particle

  • 43

    Negatively charged light particle

    Beta particle

  • 44

    electromagnetic radiation of low wavelength , high frequency and high energy

    Gamma particles

  • 45

    Isotopes which are unstable and emmit various types of radiation

    Radioactive isotopes

  • 46

    It is produced when cathode ray fall on anti-cathodes

    x-ray

  • 47

    Nuclear reaction was discovered by

    Rutherford

  • 48

    It is one in which a nucleus is bombared with an elementary particle or with another nucleus to produce other products in very short period of time

    Nuclear reaction

  • 49

    Nuclear reaction was discovered in

    1919

  • 50

    It is the fragmentation of large nucleus into two smaller nuclei and produces a large amount of energy

    Nuclear fission

  • 51

    Splitting of uranium is called

    nuclear fission

  • 52

    Nuclear fission was discovered by

    Otto Hahan & F.steersman

  • 53

    Atomb Bomb was dropped on Hiroshima on

    6aug 1945

  • 54

    Atomb Bomb was dropped on Nagasaki on

    9aug 1945

  • 55

    It is a nuclear reaction in which lighter nuclei fuse to form a nucleus of greater mass

    Nuclear fusion

  • 56

    The elements having same atomic number but different atomic mass

    Isotopes

  • 57

    Element having same atomic mass but different atomic number

    Isobars

  • 58

    Element having the same number of neutron

    Isotones

  • 59

    molecules and ions having same number of atoms as well as electron

    Isosters

  • 60

    Phenomenon in which neutron liberated during a fission process lead to further fission of atoms , releasing a large amount of energy

    chain reaction

  • 61

    Addition of oxygen and removal of hydrogen from a substance is called

    oxidation

  • 62

    Addition of hydrogen and removal of oxygen from a substance is called

    Reduction

  • 63

    The substance which gives hydrogen or remove oxygen is called

    reducing agent

  • 64

    A chemical reactions in which only one substance get oxidised as well as reduced is known as

    disproportional reaction

  • 65

    If a reaction which proceeds in both direction is known as

    reversible reaction

  • 66

    A reaction which proceeds in one direction is known as

    irreversible reaction

  • 67

    The process rate of conversion of reactants into product and product into reactants becomes equal to each other

    Equilibrium

  • 68

    substance which furnish ions are called

    electrolyte

  • 69

    A compound which conducts electricity when dissolved in water or in molten state is known as

    electrolyte

  • 70

    Chemical name of common salt

    sodium chloride

  • 71

    Chemical name of caustic soda

    Sodium hydroxide

  • 72

    Chlorine gas is produced at

    Anode

  • 73

    Hydrogen gas is produced at

    cathode

  • 74

    Sodium hydroxide is produced near

    Cathode

  • 75

    The process of electrolysis of sodium chloride solution is known as

    Chlor-alkali process

  • 76

    soda ash is called

    annhydrous sodium carbonate

  • 77

    Chemical name of baking soda

    Sodium hydrogen carbonate

  • 78

    Baking soda is also called

    bi-carbonate

  • 79

    bleaching powder is also called

    calcium oxychloride

  • 80

    What is also called chloride of lime

    Bleaching powder

  • 81

    Chemical name of plater of Paris

    calcium sulphate

  • 82

    Gypsum is also called

    calcium sulphate dehydrate

  • 83

    which is known as Electropositive element

    metals

  • 84

    Metal which doesn't from positive ion by lossing electron

    Hydrogen

  • 85

    metal which is not solid

    Mercury

  • 86

    metal which is poor conductor of heat

    lead

  • 87

    metals which are soft

    Both sodium and potassium

  • 88

    metals having low melting point

    Both sodium and potassium

  • 89

    when metals are burnt in air they react with air and form

    metal oxide

  • 90

    Metals which are stored under kerosine oil

    Both potassium and sodium

  • 91

    Metals oxides are

    basic in nature

  • 92

    Some metal oxides show acidic as well as basic behaviour are known as

    Amphoteric oxides

  • 93

    Metals reacts with water to form

    Metal hydroxide

  • 94

    metals which react with steam

    all of the above

  • 95

    Metals which dont react with steam and water

    all of the above

  • 96

    Metals reacts with chlorine to form

    Electrovalent chloride

  • 97

    Sodium reacts with chlorine to form a electrovalent chloride called

    sodium chloride

  • 98

    when hydrogen gas is passed over heated solution then it forms

    sodium hydride

  • 99

    only non metal which is good conductor of electricity

    Graphite

  • 100

    It is used in making of electrodes

    Graphite