The shape of liquid depends on the
'Ethene' is composed of
To make flexible items a substance is added to PVC. This substance is known as
The chemist who started plastic industry was an
'Ethene' is a also known as
The color of magnesium oxide is
Ammonia fertilizers are made by two components, they are
The fixed position of particles in solids is due to
The symbol of 'sulphur' is
Natural substances made up of long molecules are
Ethene is obtained from
The least intermolecular forces are found in
During chemical reaction, energy is
Number of atoms in one molecule of ethene is
Photosynthesis is an example of
The density of gases is
Two major requirements for preparation of ammonia are
The melting point of ice is
When heat is provided to particles of solids, they gain
In electric field, "PVC" is used to make
The material which John Hyatt used for his artificial ivory, was
At the end of reaction, catalyst
Respiration is a
As compare to low density polythene, the high density polythene is
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