Question

Which one is a efflorescent substance ?

a) Washing Soda
b) Caustic potash

Answer 1

Answer:

Hygroscopic compounds are all those substances that attract water in vapour or liquid from its environment, thus its main application is as desiccants.

Examples of hygroscopic compounds are Caustic soda or Sodium hydroxide (NaOH), Caustic potash or Potttasiun hydroxide (KOH) and Calcium chloride (CaCl

2

).

Explanation:

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Answer 2

Answer:

a. washing machine

Explanation:

a is a right answer of this question