Question

Which types of salt produce crackcling noise in dry heating test?

• A. Salts which have lot of water of crystallisation.
• B. Salts which entrap mother liquor in crystals.
• C. Salts which are hygroscopic.
• D. Salts which have lost water of crystallisation.

Answer 1

The correct option is B Salts which entrap mother liquor in crystals.

Salts which entrap mother liquor in crystals produce crackcling noise in dry heating test.