Question

rer required for an experiment is not available in school laboratory. However, following salts are
Jarlable in the laboratory. Select the salt which may be dissolved in water to make it hard for the
experiment.
Calcium Sulphate
Potassium Sulphate
Sodium Sulphate
11.
Sodium hydrogen carbonate vi.
1,3 and 6
3,5 and 6
OR
Calcium Chloride
Magnesium chloride
d. 2, 4 and 5
1, 2 and 4​

Answer 1

Answer:

dont know it

Explanation: