NCERT Class 11 Chemistry General Knowledge Questions and Answers
NCERT Class 11 Chemistry
QUESTIONS
NCERT Class 11 Chemistry General Knowledge Questions and Answers
111 The major ingrediation of leather is
A Collagen
B nuclei acid
C Carbohydrate
D Polymer
112 Nail polish remover contains
A acetone
B petroleum ether
C benzene
D acetic acid
113 Which one of the following types of glass can cut off ultraviolet rays?
A crookes glass
B jena glass
C pyrex glass
D soda glass
114 What are Rubies and Sapphires chemically known as
A Aluminium oxide
B Boron nitride
C Lead tetra oxide
D Silicon dioxide
115 Which one of the following is also called Stranger Gas?
A Xenon
B Nitrous oxide
C Argon
D Neon
116 Select the one which is not a mixture?
A Distilled water
B LPG
C Gasoline
D Air
117 What is the most common soil in sea water?
A Magnesium sulphate
B Calcium carbonate
C Sodium chloride
D Potassium chloride
118 Which one of the following when dissolved in HO gives hissing sound?
A quick lime
B slacked lime
C M, m
D soda lime
119 Which one among the following is called philosophers wool?
A zinc oxide
B zinc chloride
C zinc bromide
D zinc nitrate
120 Which one of the following does not contain silver?
A Lunar caustic
B horn silver
C german silver
D ruby silver