Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of_________________?
Correct answer: D. All A, B & C
- A. Powder & granular solids
- B. Liquids
- C. Low melting point semi-solids
- D. All A, B & C
Explanation
A pycnometer determines density or specific gravity from a known volume and mass, so it can be adapted for liquids, powders and granular solids, and suitable semi-solids. Hence all the listed materials are included.
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