NSTSE · Acids, Bases and Salts · Quiz
5 real NSTSE questions on Acids, Bases and Salts. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 2
MEDIUMA student tested four solutions P, Q, R, and S with red and blue litmus papers. The results are shown below: P: Red litmus remains red, blue litmus turns red Q: Red litmus turns blue, blue litmus remains blue R: No change in either litmus S: Red litmus turns blue, blue litmus remains blue Which solution(s) is/are acidic?