Chemistry MCQs

Question 1

The important metal used with iron to produce stainless steel is

Accepted Answer

Chromium

Answer

Aluminium

Answer

Tin

Answer

Carbon

Question 2

Which of the following metals form an amalgam with other metals ?

Accepted Answer

Mercury

Answer

Lead

Answer

Tin

Answer

Zinc

Question 3

________ gives hardness to stainless steel.

Accepted Answer

Carbon

Answer

Zinc

Answer

Lead

Answer

Tin

Question 4

Bauxite is used as raw material by which industry ?

Accepted Answer

Aluminium

Answer

Iron

Answer

Steel

Answer

Gold

Question 5

Brass contains

Accepted Answer

Copper and Zinc

Answer

Copper and Tin

Answer

Copper and Silver

Answer

Copper and Nickel

Question 6

Brass is a

Accepted Answer

Homogeneous mixture

Answer

Compound

Answer

Element

Answer

Heterogeneous mixture

Question 7

Brass is an alloy of

Accepted Answer

Zinc and copper

Answer

Lead and tin

Answer

Antimony, tin and lead

Answer

Zinc, tin and copper

Question 8

Brass is an alloy of :

Accepted Answer

Cu and Zn

Answer

Cu, Al and Zn

Answer

Cu and Sn

Answer

Al and Mg

Question 9

Brass is made of

Accepted Answer

Copper and zinc

Answer

Copper and tin

Answer

Tin and lead

Answer

Copper, tin and zinc