Question

1. Which one of the following is the characteristic of base
a)Sour in taste
b)Red litmus changes to blue
c)Exothermic when react with water
d)To evolve hydrogen gas when reacted with metal
​

Answer 1

Answer:

Exothermic when react with water is the answer for your question

Answer 2

Answer:

Question:-

Which one of the following is the characteristic of base

Answer:-

d)To evolve hydrogen gas when reacted with metal