Which of the following is a use of alum? from Chemistry Chemistr

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Chemistry in Everyday Life

Multiple Choice Questions

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141.
Which of the following is a use of alum?

Making explosives

Bleaching clothes

Water softening

All of the above

C.

Water softening

Alums are used as water-softner. These are also used in tanning of leather, as mordant in dyeing and to stop bleeding.

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142.

Among the following, the narrow spectrum antibiotic is :

Ampicillin
Amoxycillin
Chloramphenicol
Penicillin G

14
15

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