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

Isotopes which are unstable and emmit various types of radiation

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

electromagnetic radiation of low wavelength , high frequency and high energy

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

Negatively charged light particle

substance which furnish ions are called

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

Hydrogen gas is produced at

It is a positively or negatively charged atom

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

Nuclear fission was discovered by

when hydrogen gas is passed over heated solution then it forms

colliod particle can be separated through

Baking soda is also called

Metal which doesn't from positive ion by lossing electron

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

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

Two miscible liquid can be separated by

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

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

metals having low melting point

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

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

It is produced when cathode ray fall on anti-cathodes

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

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

Sodium reacts with chlorine to form a electrovalent chloride called

soda ash is called

Metals which dont react with steam and water

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

The motion of particle is known as

Phenomenon of radioactivity was discovered on

Chemical name of plater of Paris

Metals reacts with water to form

Chemical name of common salt

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

Negatively charged Ion are

Atoms of different elements joins together in definite proportion to form

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

If a reaction which proceeds in both direction is known as

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

Atomb Bomb was dropped on Nagasaki on

It is used for purifying solids

The substance which gives hydrogen or remove oxygen is called

which is known as Electropositive element

Chemical name of caustic soda

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

Metals which are stored under kerosine oil

Atomb Bomb was dropped on Hiroshima on

Gypsum is also called

1nanometer equals to

metals which are soft

Phenomenon of radioactivity was discovered by

Sodium hydroxide is produced near

A reaction which proceeds in one direction is known as

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

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

What is also called chloride of lime

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

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

metal which is not solid

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

Metals oxides are

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

The process of electrolysis of sodium chloride solution is known as

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

Element having same atomic mass but different atomic number

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

Positively charged Ion are

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

Chemical formula is also known as

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

Force of attraction is also called

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

It is used in making of electrodes

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

Avagado number or mole

metal which is poor conductor of heat

Scattering of a beam of light is called

The combining power of an element is known as

Splitting of uranium is called

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

One side sharing of electron is called

Two immiscible liquid can be separated by

Chlorine gas is produced at

Metals reacts with chlorine to form

which increase in temperature brownian motion

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

metals which react with steam

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

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

The elements having same atomic number but different atomic mass

only non metal which is good conductor of electricity

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

bleaching powder is also called

Chemical name of baking soda

Element having the same number of neutron

Nuclear reaction was discovered by

Nuclear reaction was discovered in