set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Third allotrope of Carbon was discovered by three scientists, who were awarded the Nobel Prize for Chemistry. Find out who was not on that team.

a) Faimen

b) H.W. Kroto

c) R.F. Curl

d) R.E. Smalley

Question : 2

Percentage of Silver in German Silver is

a) None of these

b) 0%

c) 1%

d) 5%

Question : 3

In the case of rusting, the weight of iron

a) Uncertain

b) Remains the same

c) Increases

d) Decreases