Question

Tell me about the maintenance of hydrometer

Answer 1

Answer:

Weak aqueous solutions of sugar, salts, acids, and alcohol require scrupulous cleaning of the hydrometer stem. Before a test is made the hydrometer should be thoroughly washed, rinsed and dried by wiping with a clean, lint free cloth.

Answer 2

Before a test is made the hydrometer should be thoroughly washed, rinsed and dried by wiping with a clean, lint free cloth. The hydrometer jar should be thoroughly washed and rinsed before the clean test liquid is added.

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