Question Bank

Which substance is used for disinfecting drinking water?

What is the pH of human blood?

A salt formed by a strong acid and a weak base will be:

Which of the following is used in fire extinguishers?

What is the common name of Sodium carbonate decahydrate?

The water of crystallization in Gypsum is:

Which acid is produced in our stomach to help digestion?

Which of the following is a neutral oxide?

How many water molecules are present in one formula unit of Copper sulfate (Blue Vitriol)?

Which gas is released when sodium bicarbonate is heated?

The pH of rain water is approximately 5.6. This is due to:

Which of the following is an amphoteric oxide?

Tooth decay starts when the pH of the mouth is lower than:

Which acid is found in tamarind?

What happens to the blue color of copper sulfate crystals on heating?

A solution with pH 1 is:

What is the molarity of H+ ions in a solution with pH 4?

According to the Bronsted-Lowry theory, an acid is:

What is the conjugate base of H2SO4?

Which of the following is a Lewis base?