Physical and Chemical Changes

water

carbon dioxide

water and carbon

water and carbon dioxide

dichloride gas

vinyl ethene gas

vinyl chloride gas

diethene gas

1733

1833

1933

1633

closely packed than low density polythene

far apart than in low density polythene

more vigorous than in low density polythene

more violent than in low density polythene

physical process

chemical process

biological process

temporary process

low temperature and high pressure

low temperature and pressure

high temperature and low pressure

high temperature and pressure

ammonia and hydrogen

ammonia and nitric acid

nitrogen and hydrogen

nitrogen and water

copper chloride

calcium chloride

barium chloride

all of above

white

blue

grey

pink

furniture

cooking utensils

plastic bags

decorative items