Activity 1.7 Ncert Science class 10
The activity asks to electrolyse water using a 6-volt battery and check the volume of gases liberated at anode and cathode. The activity also asks to bring the gas at the flame and see what happens.
Chemical Reactions and Equations Activity
Activity 1.6 Ncert Science class 10
Procedure: The question ask for heating lead nitrate into a test tube filled with boiling water.
Observation: A yellow precipitate of lead oxide is formed with evolution of brown nitrogen di oxide gas which has irritating smell
Activity 1.5 Ncert Science class 10
Decomposition of ferrous sulphate into ferric oxide by heating.
Activity 1.4 Ncert Science class 10
Quick lime reaction with water.