Some reactions are given below.Identify the chemical reaction and write the reasons.
1.Melting of ice.
2.Dissolution of sugar in water.
3.Burning of wood.
4.Blackening of pieces of potatoes,brinjals and apples.
5.Melting of wax.
6.Blackening of silver ornaments.
7.Souring of milk.
8.Synthesis of food by green plants in presence of sunlight.
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1) melting of ice is physical change
2)Dissolution of sugar in water is also physical change
3)Burning of wood is a chemical change
4)Blackening of pieces of potatoes, Brinjals,and apples is a chemical change
5)melting of wax is a physical change
6)Blackening of silver ornaments is a chemical change.
7) souring of milk is also chemical change
8)Synthesis of food by green plants in presence of sunlight is also chemical change
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some reactions are given below. identify the chemical reaction and write the reasons
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