When was the international decade for action on 'water for life'declared.

International decade for action on Water for life' is___

List out the industrial waster the cause water pollution and what are the international standards fixed for drinking water ?

Acetylene is produced by the action of water on

What would you do for the cause ‘water for life’?

When water temperature is increased

What is decade of water conservation? On which day is the would water day declared?

Prepare a logo for International Water Day.

When is it easier to press the syringe with water or air ?

If water vapour is assumed to be a perfect gas, molar enthalpy change for vapouration of 1 mole of water at 1 bar and 100^(@)C is 41 kJ mol^(-1) . Calculate the internal energy change when a) 1 mol of water is vapourised at 1 bar and 100^(@)C b) 1 mol of water liquid is converted into ice.