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 SZF IOS questions on Acids, Bases and Salts. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

EASY

A student tested three solutions P, Q and R with red litmus paper. Solution P turned the red litmus blue, solution Q did not change the colour, and solution R kept it red. What can be concluded about the nature of these solutions?