TRUE / FALSE

Questions

🎯

6 questions · timed · auto-graded

Question 11 Mark

Bleaching powder is used for disinfecting drinking water.

Answer

True.

Question 21 Mark

Litmus is a natural indicator obtained from a plant.

Answer

True.

Question 31 Mark

Sodium hydrogencarbonate is commonly known as baking soda.

Answer

True.

Question 41 Mark

Copper(II) oxide (CuO) is a base that is soluble in water.

Answer

False. Copper(II) oxide (CuO) is a base that is not soluble in water.

Question 51 Mark

Aluminium hydroxide is an alkali.

Answer

False. Ammonium hydroxide is an alkali.

Question 61 Mark

Aqua regia is a mixture of sulphuric acid and nitric acid.

Answer

False. Aqua regia is a mixture of hydrochloric acid and nitric acid.

TRUE / FALSE - CHEMISTRY STD 7 Questions - Vidyadip

CHEMISTRY TRUE / FALSE