Chemistry Quiz Questions and Answers for High School - 2

Question: 6

The two types of valencies of iron are

(A) 1 and 2

(B) 1 and 3

(C) 2 and 3

(D) 1 and 4

Question: 7

Silicon exhibit diagonal relationship with

(A) B

(B) C

(C) Be

(D) Sr

Question: 8

Cooking gas is a mixture of

(A) Carbon monoxide and carbon dioxide

(B) Butane and propane

(C) Carbon dioxide and oxygen

(D) Methane and ethylene

Question: 9

Standard 18-carat gold sold in the market contains:

(A) 9 parts gold and 16 parts other metals

(B) 18 parts gold and 6 parts other metals

(C) 82 parts gold and 18 parts other metals

(D) 18 parts gold and 82 parts other metals

Question: 10

The average salinity of sea water is

(A) 2%

(B) 3%

(C) 3.3%

(D) 3.5%