NCERT Class 11 Chemistry Short Questions & Answers

NCERT NCERT Class 11 Chemistry Short Questions & Answers NCERT Class 11 Chemistry QUESTIONS

NCERT Class 11 Chemistry Short Questions & Answers

1 Biogas mainly contains
A Methane
B Nitrogen
C Carbon dioxide
D Oxygen

Answer: Methane
2 Which one of the following correctly defines the state of glass?
A Crystalline solid
B Super cooled liquid
C Condensed gas
D Liquid crystal

Answer: Super cooled liquid
3 Nail polish remover contains
A Acetone
B Acetic acid
C Benzeme
D Petroleum ether

Answer: Acetone
4 Which one of the following polymeric matreials is used for making bullet proof jacket?
A KEVLAR
B DACRON
C NYLON 6.6
D None

Answer: KEVLAR
5 Vinegar is trade name of
A Carbon tetrachloride
B Acetic acid
C Chloroform
D Ethyl alcohol

Answer: Acetic acid
6 The cathode of a lead storage battery is made up of
A Lead
B Manganese dioxide
C Lead oxide
D Zinc

Answer: Lead
7 Which one of the following is used as a filter in rubber tyres?
A Coke
B Carbon black
C Graphite
D Coal

Answer: Carbon black
8 Glass is made of the mixture of
A Sand and silicates
B Sand and salt
C Quartz and mica
D None of these

Answer: Sand and silicates
9 Which of the following elements behave chemically both as metal and non metal?
A Xenon
B Argon
C Boron
D Carbon

Answer: Boron
10 Which of the following is the hardest element?
A Silicon
B Iron
C Diamond
D Copper

Answer: Diamond

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