Name a chemical change which takes place in presence of:HeatLightElect

1.	Name a chemical change which takes place in presence of:HeatLightElectricity
Answer» Heat: 1. Burning of paper. 2. Cooking of food needs heat. Light : 1. Formation of food by plants i.e. photosynthesis need light. 2. Hydrogen and chlorine react in presence of light Electricity: 1. Water breaks into hydrogen and oxygen on passing electricity. 2. Sodium chloride solution breaks up into its components sodium and Chlorine on passing electric current through sodium chloride solution

Name a chemical change which takes place in presence of:HeatLightElectricity

Answer»

Heat:

1. Burning of paper.

2. Cooking of food needs heat.

Light :

1. Formation of food by plants i.e. photosynthesis need light.

2. Hydrogen and chlorine react in presence of light

Electricity:

1. Water breaks into hydrogen and oxygen on passing electricity.

2. Sodium chloride solution breaks up into its components sodium and Chlorine on passing electric current through sodium chloride solution