A metal which occurs 'free' in nature is

Question

A metal which occurs 'free' in nature is

A. gold

B. zinc

C. tin

Correct Answer :

A. gold

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The rate of setting of cement is slowed down by the addition of

B. gypsum

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Gases have

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The modern system of symbols was evolved by

A. Dalton

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Triple Antigen treatment for children is to ward off

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Artificial diamonds were produced by

B. Davy

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Soda-water contains

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Brass contains

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A compound used both as a fungicide and as a disinfectant is

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Dust particles in the air of large industrial cities are removed by

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Smelling salt contains

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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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Optical instruments are made of

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During fermentation, the by-product is

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Iodine in alcohol is known as

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The term 'nucleons' apples to

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Grape sugar is another name for

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Colour blindness is

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In surgical operation, the anaesthetic commonly used nowadays is

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Solder is an alloy of

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The value of Avogadro Number is

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The raw materials used in the manufacture of cement are

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Which of the following is not a physical change?

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Riboflavin deficiency causes

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Cholesterol is

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Proteins are polymerisation products of

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Which among the following is a solid non-metal?

C. water

D. iodine

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Rooms in places infected by plague are disinfected using

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Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance?

C. Nickel

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Acute diabetes patients smell of

B. ether

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Which of the following process involves removal of the elements of water?

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Answer 1

D. molybdenum

Answer 2

A. quicklime

Answer 3

C. soda lime

Answer 4

D. bleaching powder

Answer 5

A. a definite shape but not volume

Answer 6

B. a definite volume and shape

Answer 7

C. a definite volume but not shape

Answer 8

D. neither definite volume nor shape

Answer 9

B. Cavendish

Answer 10

C. Avogadro

Answer 11

D. Berzelius

Answer 12

A. whooping cough

Answer 13

B. tetanus

Answer 14

C. diphtheria

Answer 15

D. All the three

Answer 16

A. Moissan

Answer 17

C. Faraday

Answer 18

D. Marie Curie

Answer 19

A. sodium bicarbonate

Answer 20

B. sodium carbonate

Answer 21

C. carbonic acid

Answer 22

D. sodium hydroxide

Answer 23

A. copper and tin

Answer 24

B. aluminium and magnesium

Answer 25

C. copper and zinc

Answer 26

D. copper, tin and zinc

Answer 27

A. chlorine

Answer 28

B. carbon monoxide

Answer 29

C. sulphur dioxide

Answer 30

D. o-cresol

Answer 31

A. Sedimentation

Answer 32

B. Electrophoresis

Answer 33

C. Tyndall effect

Answer 34

D. Brownian movement

Answer 35

A. ammonium chloride

Answer 36

B. ammonium carbonate

Answer 37

C. ammonium sulphate

Answer 38

D. potassium nitrate

Answer 39

A. Carbon dioxide

Answer 40

B. Sulphur dioxide

Answer 41

C. Ammonia

Answer 42

D. Hydrogen

Answer 43

A. pyrex glass

Answer 44

B. flint glass

Answer 45

C. quartz glass

Answer 46

D. Crooke's glass

Answer 47

A. ethyl alcohol

Answer 48

B. methyl alcohol

Answer 49

C. carbon monoxide

Answer 50

D. carbon dioxide

Answer 51

A. quick lime

Answer 52

B. tincture iodine

Answer 53

C. rectified spirit

Answer 54

D. None of these

Answer 55

A. neutrons

Answer 56

B. protons

Answer 57

C. protons and neutrons

Answer 58

D. protons and electrons

Answer 59

A. glucose

Answer 60

B. fructose

Answer 61

C. sucrose

Answer 62

D. maltose

Answer 63

A. a congenital disease

Answer 64

B. a communicable disease

Answer 65

C. an acquired disease

Answer 66

D. a contagious disease

Answer 67

A. iodoform

Answer 68

B. chloroform

Answer 69

C. nitrous oxide-ether mixture

Answer 70

D. chloroform-nitrous oxide mixture

Answer 71

A. tin and copper

Answer 72

B. tin and lead

Answer 73

C. tin and zinc

Answer 74

D. tin, copper and zinc

Answer 75

A. 6.023 x 1022

Answer 76

B. 1 x 10-14

Answer 77

C. cl 6.056 x 10-6

Answer 78

D. 6.023 x 1023

Answer 79

A. brimstone and silica

Answer 80

B. limestone and clay

Answer 81

C. brimstone and clay

Answer 82

D. brimstone and limestone

Answer 83

A. Distillation of water

Answer 84

B. Action of heat on potassium chlorate

Answer 85

C. Powdering of glass

Answer 86

D. Burning of an electric lamp

Answer 87

A. tongue inflammation

Answer 88

B. pellagra

Answer 89

C. night blindness

Answer 90

D. anaemia

Answer 91

A. a carbohydrate

Answer 92

B. a protein

Answer 93

C. a lipid

Answer 94

D. a hormone

Answer 95

A. aldehydes

Answer 96

B. alkenes

Answer 97

C. amino acids

Answer 98

D. alkynes

Answer 99

A. chlorine

Answer 100

B. mercury

Answer 101

A. bleaching powder

Answer 102

B. iodoform

Answer 103

C. sulphur dioxide

Answer 104

D. chlorine

Answer 105

A. Aluminium

Answer 106

B. Chromium

Answer 107

D. Tungsten

Answer 108

A. acetone

Answer 109

C. ethyl alcohol

Answer 110

D. methyl alcohol

Answer 111

A. Hydrolysis

Answer 112

B. Hydrogenation

Answer 113

C. Dehydration

Answer 114

D. Dehydrogenation

A metal which occurs 'free' in nature is

Correct Answer :

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