Limestone

Question 1

What are the products when zinc carbonate is heated strongly?

Answer 1

Zinc oxide and carbon dioxide.

Question 2

Write a word equation for the reaction of magnesium carbonate with hydrology acid?

Answer 2

Magnesium carbonate + calcium hydroxide-> magnesium chloride + carbon dioxide + water.

Question 3

What are the differences between cement, mortar and concrete?

Answer 3

Cement is made by heating limestone with clay in a kiln. Mortar is made by mixing cement and sand with water. Concrete is made by mixing aggregate with cement, sand and water.

Question 4

List the ways in which limestone and products made from limestone are used in the building industry.

Answer 4

Cement, concrete mixed with sand, aggregate and water.