Question

write 20 reaction of acidic salt​

Answer 1

Answer:

Here, H3O+ (hydronium ion) results in the acidic conditions of the solution and hence it is an acidic salt (since it produces acidic conditions). Na2SO3 is a basic salt as it is formed by the combination strong base and weak acid. Since NaHSO3 is the acidic salt, the correct answer is option (B).

Answer 2

Answer:

A violin string vibrates with fundamental frequency of 220 Hz. The frequency of first overtone is A 440 Hz (B) 420 Hz © 410 Hz D 400 Hz