NCERT Solutions Std 7 Science Acids, Bases and Salts

Acids, Bases and Salts Exercise: 1). State differences between acids and bases. Acids Bases 1. Acids are substances that contain hydrogen ion.   1. Bases are substances that contain hydroxyl ion. 2. Acid turns blue litmus red.   2. Base turns red litmus blue. 3. Acids are sour to taste.   3. Bases are bitter …

NCERT Solutions Std 7 Science Acids, Bases and Salts Read More »

 141 total views