set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following statement regarding bases is false?

a) Bases are soapy to touch

b) Bases are extremly corrosive in nature

c) Bases produce hydroxide ions when dissolved in water

d) Basic solutions are non conducting in nature

Question : 2

Which of the following is not correct about Baking Soda ?

a) It is a corrosive base

b) It is used in soda acid fire extinguisher

c) It is added for faster cooking.

d) It neutralizes excess acid in the stomach

Question : 3

Antacids are

a) Acid

b) Salt

c) Base

d) Buffer

Question : 4

To protect tooth decay we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is

a) neutral

b) basic

c) acidic

d) corrosive

Question : 5

The chemical formula of washing soda is

a) Na₂CO₃

b) NaHCO₃

c) NaOH

d) Ca(OH)₂

Question : 6

Which one of the following salts when dissolved in water makes the solution basic?

a) Ferric chloride

b) Sodium chloride

c) Copper sulphate

d) Sodium acetate