If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Acids, Bases and Salts — quick quiz

5 real WB TET questions on Acids, Bases and Salts. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

HARD

A student prepared a dilute solution of an acid and divided it into three test tubes. She then added: - Zinc metal to tube 1 - Magnesium ribbon to tube 2 - Copper turnings to tube 3 She observed that gas bubbles were evolved in tubes 1 and 2, but not in tube 3. Which of the following explains this observation correctly?