Question

14- Which statements about acids and bases are correct? (1 mark) 1- An acid reacts with a metal to give off hydrogen. 2- A base reacts with an ammonium salt to give off ammonia. 3-An acid reacts with a carbonate to give off carbon dioxide. 4- Alkaline solutions are orange in methyl orange.

A) 1, 2 and 3
B) 1, 2 and 4
C) 1, 3 and 4
D) 2, 3 and 4​

Answer 1

a)

Step-by-step explanation:

4th is incorrect.

Alkaline solutions are yellow in methyl orange.

Answer 2

Which statements about acids and bases are correct ?

• A) 1, 2 and 3

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