Analyse the question and answer it — task. Science CBSE Homework Assignments, Class 7.

I) How to dilute an acid?

We can directly add the solvent with concentrated acid
We should add the solvent slowly
We can add the acid fastly
We can mix solvent and acid simultaneously

II) Which of the following is a strong base?

Sodium Hydroxide
Calcium Chloride
Sodium Chloride
Ammonium Hydroxide

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