Chemistry Questions and Answers for Class 6, 7, 8, 9, 10 - 1

Question: 1

In acidic solution, the colour of the hibiscus indicator paper will change to _____

Answer:

deep pink or deep red

Question: 2

Bases are chemical substances that are corrosive and _____ in nature.

Answer:

bitter

Question: 3

Methyl orange gives ______ colour in an acidic solution.

Answer:

majenta

Question: 4

Sodium carbonate is commercially called as _____

Answer:

baking soda

Question: 5

Water soluble bases are called _____

Answer:

alkalis