Question

Mention 3 differences between drying agent and dehydrating agent with examples.​

Answer 1

Answer :D

Drying Agent Dehydrating agent

=> They remove moisture from => They remove chemically combined elements

other substances. of water in the ratio of 2:1 from a compound.

=> They are used to dry gases like => They prepare substances like carbon

chlorine, sulphur dioxide, hydrogen. monoxide, sugar charcoal, etc.

chloride, etc. They are also used in

desiccators to keep substances dry.

=> They represent physical change. => They represent chemical change.

Example → Phosphorus pentoxide Example → concentrated sulphuric acid

(P₄O₁₀), calcium oxide (CaO), fused (H₂SO₄).

calcium chloride (CaCl₂), concentrated

sulphuric acid (H₂SO₄).

Answer 2

Drying agent

=> removes the moisture from other substances.

=> doesn't react chemically as it's a physical change.

=> Anhydrous calcium chloride is an example.

Dehydrating agent

=> removes chemically combined water molecules from other substances.

=> chemically combine with other substances.

=> Concentrated sulphuric acid is an example.