Mortar contains cement and sand in the ratio of

Question

Mortar contains cement and sand in the ratio of

A. 1 : 1

B. 1 : 2

C. 2 : 3

D. 1 : 3

Correct Answer :

D. 1 : 3

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B. pounds

C. carats

D. tons

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An example of thermo setting plastics is

C. PVC

D. Teflon

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During fermentation, the by-product is

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The process of heating steel to bright red heat and cooling suddenly by plunging it into water is known as

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The formula for cane sugar is

B. C2H5OH

D. C7H8O

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Solder is an alloy of

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Which of the following is not an alloy of copper?

A. Bronze

B. Brass

C. Solder

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Annealing of glass is carried out by

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Which of the following is not an antibiotic?

D. codein

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Hydrogen gas has

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LSD is

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Which of the following is a halogen?

A. Radon

C. Cesium

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A non-material kind of pollution is

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The earliest name given to nitrogen was

B. azote

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The foul odour of gasoline is due to

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Which of the following is a Bleaching agent?

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The Carbon dioxide is absorbed by

B. NaCI

C. KOH

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D. invar

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The non-metal which has a shining appearance is

C. iodine

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Answer 1

A. Chloroform

Answer 2

B. Morphine

Answer 3

C. Streptomycin

Answer 4

D. Cocaine

Answer 5

A. hydrogen peroxide

Answer 6

B. silver nitrate

Answer 7

C. tincture iodine

Answer 8

D. m-cresol

Answer 9

A. Carbon dioxide

Answer 10

B. Ammonia

Answer 11

C. Chlorine

Answer 12

D. Hydrogen sulphide

Answer 13

A. glacial acetic acid

Answer 14

B. methanol

Answer 15

C. formic acid

Answer 16

D. stearic acid

Answer 17

A. Rutherford

Answer 18

B. Moseley

Answer 19

C. Niels Bohr

Answer 20

D. J.J. Thomson

Answer 21

A. neutrons

Answer 22

B. protons

Answer 23

C. protons and neutrons

Answer 24

D. protons and electrons

Answer 25

A. bleaching powder

Answer 26

B. iodoform

Answer 27

C. sulphur dioxide

Answer 28

D. chlorine

Answer 29

A. kerosene

Answer 30

B. naphtha

Answer 31

C. lubricating oil

Answer 32

D. asphalt

Answer 33

A. bakelite

Answer 34

B. polythene

Answer 35

A. ethyl alcohol

Answer 36

B. methyl alcohol

Answer 37

C. carbon monoxide

Answer 38

D. carbon dioxide

Answer 39

A. annealing

Answer 40

B. hardening

Answer 41

C. quenching

Answer 42

D. tempering

Answer 43

A. C6H12O6

Answer 44

C. C12H22O11

Answer 45

A. tin and copper

Answer 46

B. tin and lead

Answer 47

C. tin and zinc

Answer 48

D. tin, copper and zinc

Answer 49

D. Gun metal

Answer 50

A. asphalt

Answer 51

B. naphtha

Answer 52

C. diesel oil

Answer 53

D. lubricating oil

Answer 54

A. rapid cooling

Answer 55

B. rapid heating

Answer 56

C. slow cooling

Answer 57

D. slow heating

Answer 58

A. streptomycin

Answer 59

B. terramycin

Answer 60

C. aureomycin

Answer 61

A. a very sweet smell

Answer 62

B. a very pungent smell

Answer 63

C. an irritating smell

Answer 64

D. no smell at all

Answer 65

A. an anaesthetic

Answer 66

B. a psychedelic drug

Answer 67

C. an antipyretic

Answer 68

D. an antibiotic

Answer 69

B. Astatine

Answer 70

D. Ruthenium

Answer 71

A. land pollution

Answer 72

B. air pollution

Answer 73

C. noise pollution

Answer 74

D. water pollution

Answer 75

A. dephlogisticated air

Answer 76

C. inflammable air

Answer 77

D. marine acid air

Answer 78

A. pyridine

Answer 79

B. hydrogen sulphide

Answer 80

C. cacodyl

Answer 81

D. carbylamines

Answer 82

A. Potassium chlorate

Answer 83

B. Hydrogen peroxide

Answer 84

C. Copper sulphate

Answer 85

D. Silver Nitrate

Answer 86

A. Palladium

Answer 87

D. Dilute H2SO4

Answer 88

A. Activated charcoal

Answer 89

B. Anthracite coal

Answer 90

C. Diamond

Answer 91

D. Graphite

Answer 92

A. adding milk of lime

Answer 93

B. filtering through sand

Answer 94

C. adding filter alum

Answer 95

D. chlorination

Answer 96

A. chrome steel

Answer 97

B. silicon steel

Answer 98

C. stainless steel

Answer 99

A. sulphur

Answer 100

B. phosphorus

Answer 101

D. bromine

Mortar contains cement and sand in the ratio of

Correct Answer :

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