set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Which one of the following is the hardest metal?

a) Iron

b) Platinum

c) Gold

d) Tungsten

Question : 2

Which one of the following metals is accessed in the native state?

a) Gold

b) Chromium

c) Aluminium

d) Zinc

Question : 3

Metals are

a) Ductile

b) Malleable

c) Both (a) and (b)

d) Neither (a) nor (b)

Question : 4

Cinnabar is an ore of

a) Pb

b) Hg

c) Cu

d) Zn

Question : 5

Of how many carats is the pure gold?

a) 24

b) 28

c) 22

d) 20

Question : 6

Which of the following do not react with water at all?

a) Lead

b) Magnesium

c) Iron

d) None of the above