The motion of particle is known as

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

which increase in temperature brownian motion

Force of attraction is also called

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

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

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

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

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

Scattering of a beam of light is called

colliod particle can be separated through

Two immiscible liquid can be separated by

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

Two miscible liquid can be separated by

It is used for purifying solids

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

Avagado number or mole

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

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

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

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

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

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

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

1nanometer equals to

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

Atoms of different elements joins together in definite proportion to form

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

Chemical formula is also known as

It is a positively or negatively charged atom

Positively charged Ion are

Negatively charged Ion are

The combining power of an element is known as

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

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

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

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

One side sharing of electron is called

Phenomenon of radioactivity was discovered by

Phenomenon of radioactivity was discovered on

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

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

Negatively charged light particle

electromagnetic radiation of low wavelength , high frequency and high energy

Isotopes which are unstable and emmit various types of radiation

It is produced when cathode ray fall on anti-cathodes

Nuclear reaction was discovered by

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 was discovered in

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

Splitting of uranium is called

Nuclear fission was discovered by

Atomb Bomb was dropped on Hiroshima on

Atomb Bomb was dropped on Nagasaki on

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

The elements having same atomic number but different atomic mass

Element having same atomic mass but different atomic number

Element having the same number of neutron

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

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

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

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

The substance which gives hydrogen or remove oxygen is called

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

If a reaction which proceeds in both direction is known as

A reaction which proceeds in one direction is known as

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

substance which furnish ions are called

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

Chemical name of common salt

Chemical name of caustic soda

Chlorine gas is produced at

Hydrogen gas is produced at

Sodium hydroxide is produced near

The process of electrolysis of sodium chloride solution is known as

soda ash is called

Chemical name of baking soda

Baking soda is also called

bleaching powder is also called

What is also called chloride of lime

Chemical name of plater of Paris

Gypsum is also called

which is known as Electropositive element

Metal which doesn't from positive ion by lossing electron

metal which is not solid

metal which is poor conductor of heat

metals which are soft

metals having low melting point

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

Metals which are stored under kerosine oil

Metals oxides are

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

Metals reacts with water to form

metals which react with steam

Metals which dont react with steam and water

Metals reacts with chlorine to form

Sodium reacts with chlorine to form a electrovalent chloride called

when hydrogen gas is passed over heated solution then it forms

only non metal which is good conductor of electricity

It is used in making of electrodes