Question

Names of alloys are given in List - A. Match them with their constituents given in List - B and uses given in the List - C.

List - A	List - B	List - C
A. Stainless Steel	a. Iron + nickel + cobalt + aluminium	i. Electrical contact part
B. Alnico	b. Iron + carbon + chrominum + nickel	ii. Sports medal
C. Invar Steel	c. Copper + zinc + tin	iii. Surgical instruments
D. Brass	d. Iron + carbon + nickel (large quantity)	iv. Aeroplane body
	e. Aluminium + copper + magnesium + manganese	v. Permanent magnets
	f. Copper + zinc	vi. Precision measuring instruments

Answer 1

A. Stainless steel

Stainless steel is an alloy of Iron, carbon, chromium, and nickel.

It is generally used in the manufacturing of surgical instruments.

Thus the correct match of A is $A-b-iii$

B. Alnico

Alnico is an alloy of iron, nickel, cobalt, and aluminium,

It is used to make permanent magnets.

Thus the correct match of B is $B-a-v$

C. Invar Steel

It is an alloy of Iron, carbon, and nickel.

It contains nickel in large quantity. It is generally used in the manufacturing of Precision measuring instruments.

Thus the correct match of C is $C-d-vi$

D. Brass

Brass is an alloy of Copper and zinc.

It is generally used in electrical contact part.

Thus the correct match of D is $D-f-i$