Question : Which of the following is the main compound of voter ink?

Option 1: Silver nitrate

Option 2: Ammonium chloride

Option 3: Silver chloride

Option 4: Ammonium nitrate

Question : Respiration is a process that requires

Option 1: heat

Option 2: water

Option 3: oxygen

Option 4: sunlight

Question : Heat stored in water vapour is:

Option 1: Specific heat

Option 2: Latent heat

Option 3: Absolute heat

Option 4: Relative heat