Question

Time pass ke liye mere bro ke worksheet solve karlo​

Answer 1

Explanation:

1. Concentrated Sulphuric Acid is used as a drying and Dehydrating agent because it has a strong affinity for water and thus it absorbs water quickly.

2. Common salt becomes wet because it absorbs liquid water and water vapour present in the air and it's hygroscopic in nature. it absorbs moisture from the atmosphere which contains high humidity in rainy season.

3. Sodium chloride and potassium nitrate are the two crystalline substance which does not contain water of Crystallization.

4. (a) Increase in mass - Table salt , Sodium chloride , H2SO4

   (b) Decrease in mass - Sodium carbonate crystals ,

   (c) No change in mass - Anhydrous Copper Sulphate

Hope it helps !

Please mark as Brainliest