CBSE Class 11 Chemistry Quiz | CBSE Class 11 Chemistry Objective Type Questions & Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
21 When quick lime is added to water
A Heat is liberated
B Temperature decreases
C Heat is absorbed
D No heat change takes place

Answer: Heat is liberated
22 The iron layered with zinc is called
A Galvanised iron
B Steel
C Pig iron
D Cost iron

Answer: Galvanised iron
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
23 Which one of the following is the softest?
A Lithium
B Aluminium
C Iron
D Calcium

Answer: Iron
24 What is a mixture of potassium nitrate , powdered charcoal and sulphur called?
A Gun Powder
B Paint
C Glass
D Cement

Answer: Gun Powder
25 Which substance is used to retard the setting action of cement?
A CaSO.2HO
B NaO + KO
C AlO
D CaO

Answer: CaSO.2HO
26 For Which one of the following is the density maximum ?
A Water
B Ice
C Chloroform
D Benzene

Answer: Water
27 Which one of the following glasses is used in bullet proof screens?
A Reinforced glass
B Jena glass
C Pyrex glasss
D Soda glass

Answer: Reinforced glass
28 Which one of the following is used as a mordant in dyeing and tanning indusrty?
A magnesium sulphate
B magnesium chloride
C Magnesium oxide
D magnesium carbonate

Answer: magnesium sulphate
29 Which one of the following substances is made up of only one type of atoms?
A hydrogen
B air
C water
D milk

Answer: hydrogen
30 Talc contains which one of the following ?
A magnesium,silicon,oxygen
B zinc,tin,sulphur
C calcium,oxygen,tin
D zinc,calcium,oxygen

Answer: magnesium,silicon,oxygen
31 Acid rain contains high levels of
A sulphuric and nitric acids
B carbolic acid
C acetic acid
D oxalic acid

Answer: carbolic acid
32 What are Rubies and Sapphires chemically known as
A aluminium oxide
B boron nitride
C silicon dioxide
D lead tetra oxide

Answer: aluminium oxide
33 Curd is sour due to presence of
A Lactic acid
B Oxalic acid
C Acidic acid
D Tartaric acid

Answer: Lactic acid
34 Which of the following is a super cooled liquid?
A Glass
B Ice cream
C Teflon
D Mercury

Answer: Glass
35 Bronze is an alloy of
A Copper and tin
B Copper and zinc
C Tin and zinc
D Iron and zinc

Answer: Copper and tin
36 Which one of the following elements is not present in stainless steel?
A Tungsten
B Nickel
C Iron
D Chromium

Answer: Tungsten
37 Which alloy contains nickel?
A Solder
B Invar
C Brass
D Bronze

Answer: Invar
38 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
39 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
40 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

Random GK Questions

Q. The UN flag was adopted by the General Assembly on
Q. Which one of the following animals is called farmer’s friend?
Q. During the National Movement, the Congress passed a resolution on Fundamental Rights and economic policy by way of major concession to placate the Left Wing at which one of the following sessions ?
Q. Commercial banking system in India is
Q. Whose cremation site has been named as Shakti Sthal?
Q. Food for the developing foetus is supplied by the
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series