HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

How is lime made? Write the equation.
Important Questions on Some Non-Metals and their Compounds
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Why is it important to remove carbon dioxide from lime kiln?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
How is the carbon dioxide removed, in a lime kiln?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
How is slaked lime made? Write the equation.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Give two uses each for lime and slaked lime.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Limewater is a solution of slaked lime. It is used for …?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Slaked lime is more soluble in water than limestone is. Which of the two might be a better choice, for controlling soil acidity in a rainy area? Explain your choice.

HARD
Upper Secondary: IGCSE
IMPORTANT
Explain the term flue gas desulfurisation.

EASY
Upper Secondary: IGCSE
IMPORTANT
Name a material used for flue gas desulfurisation.
