CHEMISTRY QUIZ SET 03

SET 03

SET 03

GENERAL KNOWLEDGE
CHEMISTRY QUESTIONS

• Total Questions : 50
• Total Marks : 100
• Mark Deduction : 0.5

Question No.1

Which of the following is the reverse process of sublimation?

1. A Solidification
2. B Deposition
3. C Vaporisation
4. D None of these

Correct Answer :  B

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Question No.2

The liquid used in making dynamite is_____

1. A Nitro Glycerine
2. B Acetic acid
3. C Olic acid
4. D All of these

Correct Answer :  A

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Question No.3

The detergent is a

1. A Soap
2. B Drug
3. C Catalyst
4. D Highly fatty acid of oil

Correct Answer :  D

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Question No.4

The raw material used for the manufacturing of Nylon is

1. A Ethylene
2. B Adipic acid
3. C Urea
4. D Formaldehyde

Correct Answer :  B

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Question No.5

 What is the full form of IUPAC?

1. A  International Union Power of Applied Chemistry
2. B  Internal Union of Pure Applied Chemistry
3. C International Universal Pure and Applied Chemistry
4. D International Union of Pure and Applied Chemistry

Correct Answer :  D

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Question No.6

 Chlorine is a _______ element.

1. A Monoatomic
2. B  Diatomic
3. C Tetra-atomic
4. D None of these

Correct Answer :  B

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Question No.7

What is the molecular mass of H₂SO₄ ?

1. A 44
2. B 56
3. C 86
4. D 98

Correct Answer :  D

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Question No.8

What should be the atomic number of an atom containing 4 protons and 8 neutrons ?

1. A 12
2. B 8
3. C 4
4. D 6

Correct Answer :  C

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Question No.9

What is the maximum number of electrons that can be accommodated in the second shell?

1. A 2
2. B 8
3. C 18
4. D 36

Correct Answer :  B

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Question No.10

 Which one of the following is correct about elements?

1. A Elements are consists of one type of atoms
2. B All the elements are consists of the same type of atoms.
3. C Elements are the smallest part of a substance.
4. D None of these

Correct Answer :  A

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Question No.11

Which of the following shells can hold a maximum number of electrons?

1. A N
2. B M
3. C L
4. D K

Correct Answer :  A

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Question No.12

    The number of valence electrons in phosphorus are:

1. A 4
2. B 5
3. C 2
4. D 8

Correct Answer :  B

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Question No.13

Which of the following drug is used as an antidepressant?

1. A Oxybutynin
2. B Bupropion
3. C Tramadol
4. D Sumatriptan

Correct Answer :  B

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Question No.14

Which of the following is not soluble in water?

1. A Zinc sulphate
2. B Lead sulphate
3. C Potassium sulphate
4. D Sodium sulphate

Correct Answer :  B

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Question No.15

Which of the following is not correctly matched?

1. A Silver Iodide- Artificial rain
2. B Silver chloride- Horn silver
3. C Zinc oxide- Philosopher's wool
4. D Zinc phosphide- Globour salt

Correct Answer :  D

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Question No.16

Which of the following is known as Marsh gas

1. A CH4
2. B C₂H₂
3. C C₂H₆
4. D COCl₂

Correct Answer :  A

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Question No.17

On the basis of the percentage of Carbon amount, coal minerals are classified into how many types

1. A 3
2. B 4
3. C 5
4. D 2

Correct Answer :  B

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Question No.18

Which of the following will be observed, if two spoons of sugar are added to a bowl of water?

1. A Boiling point increases
2. B Boiling point decreases
3. C Boiling point remain unchanged
4. D None of these

Correct Answer :  A

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Question No.19

Which of the following gases is heavier than oxygen?

1. A Ammonia
2. B Methane
3. C Helium
4. D Carbon dioxide

Correct Answer :  D

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Question No.20

The number of electrons present in M shell of chlorine is:

1. A  18
2. B  7
3. C  2
4. D  8

Correct Answer :  B

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Question No.21

Who among the following discovered Hydrogen ?

1. A Daniel Rutherford
2. B Joseph Priestley
3. C Humphry Davy
4. D Henry Cavendish

Correct Answer :  D

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Question No.22

The gas used to inflate the tyres of an aircraft is

1. A Hydrogen
2. B Helium
3. C Nitrogen
4. D All of these

Correct Answer :  C

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Question No.23

Which of the following chemical is used for the preservation of fruit juice?

1. A Ammonium sulfate
2. B Potassium nitrate
3. C Sodium benzoate
4. D Sodium hydroxide

Correct Answer :  C

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Question No.24

Which of the following is found in the maximum amount in the layer of soil?

1. A Oxygen
2. B Nitrogen
3. C Manganese
4. D Silicon

Correct Answer :  A

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Question No.25

What changes are observed when acid is treated with litmus paper?

1. A Red litmus turns blue
2. B Blue litmus turns red
3. C Litmus turns yellow
4. D Litmus colour doesn't change

Correct Answer :  B

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Question No.26

Which of the following gases is responsible for the absorption of the ozone layer?

1. A Chlorofluorocarbon
2. B Nitrous oxide
3. C Carbon dioxide
4. D Carbon monoxide

Correct Answer :  A

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Question No.27

Which of the following oxides is neutral?

1. A CO2
2. B Na2O
3. C CaO
4. D N20

Correct Answer :  D

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Question No.28

Which type of bond exists in the molecule of sodium chloride ?

1. A Covalent bond
2. B Coordinate covalent bond
3. C Electrovalent bond
4. D None of these

Correct Answer :  C

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Question No.29

The catalytic oxidation of NH3 is obtained from

1. A N2
2. B N2O5
3. C NO
4. D NO2

Correct Answer :  C

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Question No.30

Which of the following is used to give a green colour to glass?

1. A Calcium oxide
2. B Chromium oxide
3. C Iron oxide
4. D Manganese oxide

Correct Answer :  B

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Question No.31

Which of the following would be the most toxic refrigerant?

1. A Freon-12
2. B Ammonia
3. C Sulphur dioxide
4. D Carbon dioxide

Correct Answer :  C

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Question No.32

Which of the following substances can dissolve the element with the molecular formula 'Au' ?

1. A Hydrochloric acid
2. B Nitric acid
3. C Aqua regia
4. D Acetic acid

Correct Answer :  C

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Question No.33

Baking powder is a mixture of

1. A Sodium hydrogen carbonate & tartaric acid
2. B Sodium hydrogen carbonate & sulphuric acid
3. C Sodium hydrogen carbonate & malic acid
4. D Sodium carbonate & tartaric acid

Correct Answer :  A

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Question No.34

Which chemical coating is used on the audio videotapes?

1. A Iron oxide
2. B Sodium hydroxide
3. C Silver Iodide
4. D None of these

Correct Answer :  A

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Question No.35

Which of the following is extracted from the ore of felspar?

1. A Magnesium
2. B Calcium
3. C Copper
4. D None of these

Correct Answer :  D

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Question No.36

Which of the following is the molecular formula of heavy water?

1. A H2O2
2. B D2O
3. C DO
4. D DO2

Correct Answer :  B

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Question No.37

Oil, water & gas exist in the following ascending order in a well

1. A Water, oil, gas
2. B Gas, water, oil
3. C Water, gas, oil
4. D Oil, water, gas

Correct Answer :  A

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Question No.38

Which of the following is regarded as the best conductor of heat?

1. A Iron
2. B Silver
3. C Gold
4. D Copper

Correct Answer :  B

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Question No.39

A metallic bar is generally heated by the process of:

1. A Radiation
2. B Conduction
3. C Convection
4. D Radiation and convection

Correct Answer :  B

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Question No.40

What may be the right molecular formula of sulfur?

1. A S4
2. B S3
3. C S8
4. D S

Correct Answer :  C

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Question No.41

Which of the following substances is sublimated?

1. A Ice
2. B Camphor
3. C Wax
4. D Ethanol

Correct Answer :  B

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Question No.42

Hydrogen gas is generally prepared by

1. A Steaming of red hot coke
2. B Reaction of granulated zinc with dilute H₂SO₄
3. C Reacting pure zinc with dilute H₂SO₄
4. D Zinc reaction with concentrated H₂SO₄

Correct Answer :  C

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Question No.43

Which of the following electrolyte is used in a car battery?

1. A Hydrochloric acid
2. B Acetic acid
3. C Sulphuric acid
4. D Nitric acid

Correct Answer :  A

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Question No.44

Saccharin is made up of

1. A Toluene
2. B Phenol
3. C Propane
4. D Butane

Correct Answer :  A

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Question No.45

In India, it has been the practice of not using any type of chemical as a preservative for making pickles since ancient times. What is the component that prevents pickle from getting spoiled?

1. A Chilli
2. B Coriander
3. C Oil
4. D Salt

Correct Answer :  D

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Question No.46

The advantage of detergents over soaps is

1. A Detergents are soluble in water
2. B Detergents could not give much lather
3. C Soaps give lather with only soft water
4. D Detergents give lather even with hard water

Correct Answer :  D

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Question No.47

Which among the following is a pure matter?

1. A Carbon dioxide
2. B Brass
3. C Air
4. D Wood

Correct Answer :  A

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Question No.48

'Milk of Magnesia' is a suspension of

1. A Magnesium sulphate
2. B Magnesium carbonate
3. C Magnesium hydroxide
4. D Magnesium chloride

Correct Answer :  C

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Question No.49

Which of the following is an ozone-depleting pesticide?

1. A DDT
2. B Benzene
3. C Methyl bromide
4. D Ethylene ozonide

Correct Answer :  C

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Question No.50

The fundamental particles present in the nucleus of an atom are

1. A Electron, proton
2. B Neutron, electron
3. C Proton, neutron
4. D Neutron, positron

Correct Answer :  C

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