The texture of 'polythene' is
Iron sulfide cannot be separated by magnet because iron and sulphur are now
Compared to liquids, solids are
Gases flow
The intermolecular force of attraction between molecules in solids are
The substance which helps in accelerating reaction is called
The kinetic energy in gases is greater than the intermolecular
The color of hydrous copper sulfate is
The kinetic energy in solids is less than the intermolecular
As compared to low density polythene, the high density polythene can withstand
The particles of gases are
The color of 'nitrogen' gas is
After sometime the particles of solids start to move far apart, when
Chemical changes are also known as
When the state of matter is changed from solid to liquid, we call it
The name of the inventor who invented plastic is
'Plastics' are
The reaction of 'magnesium' with air is
A substance which is burned to produce heat and light is known as
The color of solid sulphur is
A change of state from one form to other is a
Plastic industry was started when a chemist made a
Physical changes are
The reactions of 'exothermic' are
Ethene dichloride splits up to form
'Methane' is an example of
The color of copper sulfate crystals is
If magnesium is gently heated, it forms
The chemical formula of ethene is
'Plastic' is made of
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