Limestone is a raw material used by which industry?
A). Aluminium
B). Fertilizers
C). Cement
D). Petrochemicals
Cement
Limestone is used as a raw-material for the manufacture of quicklime (calcium oxide), slaked lime (calcium hydroxide), cement and mortar. Clay and shale are also used as raw materials for the production of cement.
1. Question 9.21:[Fe(CN)6]4− and [Fe(H2O)6]2 are of different colours in dilute solutions. Why?
3. Which one of the following is commonly used for pulp bleaching in the paper industry?
6. Which of the following is a natural dye
7. Sodium Carbonate is commonly known as
8. The chemical name of 'laughing gas' is