CBSE Ā· English Ā· Class 10 Ā· 14 questions with solutions
Why do acid water conduct electricity but rain water does not? Give reason.
Why Plaster of Paris be kept in moisture proof container?
Why curd & sour substances be kept in brass & copper vessels?
Assertion (A):
Sodium hydrogen carbonate is used as an ingredient in antacids.
Reason (R):
It is a mild, non-corrosive basic salt that neutralizes excess stomach acid.
Want to build a full paper from questions like these?
Section-wise blueprints, internal choices and answer keys ā generated inside the Tufee app.
Get the Tufee app ā