Match List I with List II.

List-I (Mineral)	List-II (Industries in which largely used)
a. Limestone	1. Cement
b. Copper	2. Electrical goods
c. Bauxite	3. Manufacture of aeroplanes
d. Manganese	4. Steel

A. aluminium B. sodium C. potassium D. lithium

A. Cu B. Al C. Au D. Zn

A. Calcium Carbonate B. Calcium Carbonate & Magnesium Carbonate C. Calcium Chloride D. Calcium Sulphate

A. chromium and nickel combine with iron B. chromium forms an oxide layer and protects iron from rusting C. nickel present in it, does not rust D. iron forms a hard chemical compound with chromium present in it