Class 7 Science Acids Bases and Salts Important Questions with Answers
ЁЯУЭ Important Questions & Answers- Class 7 CH-02 ЁЯФ╣ Short Questions (English) Class 7 CH-02 Q1. What is an acid? ( CLASS 7) ЁЯСЙ A substance that tastes sour and turns blue litmus red. Q2. What is a base?ЁЯСЙ A substance that tastes bitter and turns red litmus blue. Q3. What is neutralization?ЁЯСЙ Reaction between … Read more