The noble gas which is present in microscopic quantities in air is

Question

The noble gas which is present in microscopic quantities in air is

A. xenon

C. argon

D. helium

Correct Answer :

A. xenon

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Refined petroleum is decolourised by

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The metal which reacts most violently with cold water is

B. sodium

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Temporary hardness is due to the presence of

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Stainless steel contains steel and

C. nickel

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The sugar which is used in silvering mirrors is

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Consider the following statements: Hard water is not suitable for
1) drinking
2) washing clothes with soap
3) use in boilers
4) irrigating crops
Which of these statements are correct?

Discuss this answer

The process that takes place in the atom bomb is

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The non-metal which is electropositive is

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Glass articles are annealed so that

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An example of stimulant fertilizer is

A. gypsum

B. urea

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High temperature thermometers use

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Lead pencils contain

D. coke

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Annealing of glass is done in

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PAS is a drug used In the treatment of

B. cancer

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Cupellation is used in the purification of

A. Lead

B. Tin

C. Silver

D. Gold

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An element which is preserved under water is

A. Sodium

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Which of the following is used in fuel to propel rockets?

A. Petrol

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The term 'nucleons' apples to

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Dry Ice is

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The human body contains about

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The most abundant constituent in air is

C. oxygen

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The function of nitrogen in air is

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Which of the following elements is not required for the healthy growth of plants?

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Which or the following gases is soluble in water and Is collected by the downward displacement or air?

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Cinnabar is an ore of

A. lead

B. zinc

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The oldest known organic compound is

A. urea

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The freezing point of water at 760 mm pressure is

A. 273 K

B. 0 K

C. 273°C

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The discoverer of chloroform was

A. Liebig

C. Bunsen

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The earliest name given to nitrogen was

B. azote

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Which of the following is a regenerated fibre?

B. Rayon

C. Nylon

D. Silk

Discuss this answer

Answer 1

B. krypton

Answer 2

A. manganese dioxide

Answer 3

B. bauxite

Answer 4

C. animal charcoal

Answer 5

D. quicklime

Answer 6

A. calcium

Answer 7

C. magnesium

Answer 8

D. potassium

Answer 9

A. calcium carbonate

Answer 10

B. calcium bicarbonate

Answer 11

C. magnesium sulphate

Answer 12

D. calcium sulphate

Answer 13

A. manganese

Answer 14

B. vanadium

Answer 15

D. chromium

Answer 16

A. sucrose

Answer 17

B. maltose

Answer 18

C. glucose

Answer 19

D. fructose

Answer 20

A. 1 and 3

Answer 21

B. 2 and 3

Answer 22

C. 1, 2 and 4

Answer 23

D. 1, 2, 3 and 4

Answer 24

A. nuclear' fusion

Answer 25

B. radioactive disintegration

Answer 26

C. nuclear fission

Answer 27

D. chemical decomposition

Answer 28

A. chlorine

Answer 29

B. nitrogen

Answer 30

C. sulphur

Answer 31

D. hydrogen

Answer 32

A. they may appear better

Answer 33

B. they can resist the action of acids and alkalies

Answer 34

C. they lose their brittleness

Answer 35

D. they can withstand temperature shocks

Answer 36

C. potassium nitrate

Answer 37

D. ammonium phosphate

Answer 38

A. sodium amalgam

Answer 39

B. an alloy of sodium and potassium

Answer 40

C. silver amalgam

Answer 41

D. calcium amalgam

Answer 42

A. white lead

Answer 43

B. graphite

Answer 44

C. red lead

Answer 45

A. a cupel

Answer 46

B. a long narrow chamber

Answer 47

C. an open furnace

Answer 48

D. a closed furnace

Answer 49

A. tuberculosis

Answer 50

C. typhoid

Answer 51

D. malaria

Answer 52

B. red phosphorus

Answer 53

C. white phosphorus

Answer 54

D. sulphur

Answer 55

B. Kerosene

Answer 56

C. Hydrazine

Answer 57

D. Alcohol

Answer 58

A. neutrons

Answer 59

B. protons

Answer 60

C. protons and neutrons

Answer 61

D. protons and electrons

Answer 62

A. solid carbon dioxide

Answer 63

B. liquid oxygen

Answer 64

C. liquid hydrogen

Answer 65

D. liquid. Chlorine

Answer 66

A. 50% water

Answer 67

B. 10% water

Answer 68

C. 70% water

Answer 69

D. 20% water

Answer 70

A. hydrogen

Answer 71

B. nitrogen

Answer 72

D. noble gases

Answer 73

A. to make air a moderate supporter of combustion

Answer 74

B. to maintain the density of air constant

Answer 75

C. to prevent the hydrogen in air from exploding

Answer 76

D. to reduce the poisonous nature of ozone in air

Answer 77

A. Nitrogen

Answer 78

B. Phosphorus

Answer 79

C. Potassium

Answer 80

D. Mercury

Answer 81

A. Carbon dioxide

Answer 82

B. Sulphur dioxide

Answer 83

C. Ammonia

Answer 84

D. Hydrogen

Answer 85

C. mercury

Answer 86

D. chromium

Answer 87

B. methane

Answer 88

C. acetic acid

Answer 89

D. benzene

Answer 90

D. -273°C

Answer 91

B. Pasteur

Answer 92

D. Erlenmeyer

Answer 93

A. dephlogisticated air

Answer 94

C. inflammable air

Answer 95

D. marine acid air

Answer 96

A. Terylene

The noble gas which is present in microscopic quantities in air is

Correct Answer :

Show all General Chemistry MCQ

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The noble gas which is present in microscopic quantities in air is

Correct Answer :

Show all General Chemistry MCQ

Related Questions

Refined petroleum is decolourised by

The metal which reacts most violently with cold water is

Temporary hardness is due to the presence of

Stainless steel contains steel and

The sugar which is used in silvering mirrors is

Consider the following statements: Hard water is not suitable for1) drinking2) washing clothes with soap3) use in boilers4) irrigating cropsWhich of these statements are correct?

The process that takes place in the atom bomb is

The non-metal which is electropositive is

Glass articles are annealed so that

An example of stimulant fertilizer is

High temperature thermometers use

Lead pencils contain

Annealing of glass is done in

PAS is a drug used In the treatment of

Cupellation is used in the purification of

An element which is preserved under water is

Which of the following is used in fuel to propel rockets?

The term 'nucleons' apples to

Dry Ice is

The human body contains about

The most abundant constituent in air is

The function of nitrogen in air is

Which of the following elements is not required for the healthy growth of plants?

Which or the following gases is soluble in water and Is collected by the downward displacement or air?

Cinnabar is an ore of

The oldest known organic compound is

The freezing point of water at 760 mm pressure is

The discoverer of chloroform was

The earliest name given to nitrogen was

Which of the following is a regenerated fibre?

Also checkout

Consider the following statements: Hard water is not suitable for
1) drinking
2) washing clothes with soap
3) use in boilers
4) irrigating crops
Which of these statements are correct?