Choose the substance that is used as a filter. - Vidyadip

MCQ

Choose the substance that is used as a filter.

A
Oil paper
B
Silicon dioxide
✓
Unglazed porcelain
D
Plastic

✓

Answer

Correct option: C.

Unglazed porcelain

Unglazed porcelain can be used as filters because it has small poses which filter some dirt.

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