Question

Explain why the water becomes cold when ammonium nitrate is dissolved in water contained in a beaker.

Concise Chemistry For Class Ix By Dr S.P Singh Chapter 5-Physical And Chemical Changes

Answer 1

Explanation:

water wants to be cold therefore it becomes cold in beaker

Answer 2

Hello Student,

◆ Water becomes cold when a little ammonium nitrate is added to water in a beaker because -

• Reaction of ammonium nitrate with water is an endothermic one.
• When ammonium nitrate is added to water, heat energy from surrounding is absrobed.
• Hence, the water becomes cold when ammonium nitrate is added.

Hope this helped you...