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If we are given two test tubes marked A ...

If we are given two test tubes marked A and B. In first test tube, `NH_4OH` solution is taken and in other NaOH solution is taken. Which salt is used to identify them?

A

Zinc salt

B

Iron salt

C

Calcium salt

D

Copper salt

Text Solution

Verified by Experts

The correct Answer is:
C
Calcium salt gives white ppt, with NaOH where no ppt is formed with Ammonium hydroxide.
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