Chemistry General Studies Questions for ssc upsc competitive examspage 6

76 .The velocity of neutrons in nuclear reactor is slowed down by-

A. Heavy water (D2O)

B. Zinc rod

C. Fused caustic soda

D. Ordinary water (H2O)

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77 .H2O is liquid and H2S is a gas because-

A. Oxygen forms stronger hydrogen bond than sulphur

B. Oxygen is less electronegative than sulphur

C. Atomic radius of oxygen is less than that of sulphur

D. Atomic radius of oxygen is greater than that of sulphur

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78 .Coal gas is a mixure of-

A. H2, CH4, CO

B. H2, N2, CO

C. H2, N2, O2

D. H2, O2, CO2

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79 .In treatment of cancer, which of the following is used-

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80 .The acid used in eye wash is

A. Oxalic acid

B. nitric acid

C. Boric acid

D. None

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81 .The gas which is present in both the natural gas and the bio- gas is-

A. Methane

B. Butane

C. Hydrogen

D. Carbon Monoxide

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82 .Bar is a unit of

A. pressure

B. force

C. energy

D. frequency

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83 .Marsh gas contains-

A. CO2

B. CH4

C. N2

D. C2H6

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84 .The pollutan responsible for ozone holes is â€¦â€¦â€¦â€¦

A. CO2

B. SO2

C. CO

D. CFC

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85 .Vitamin B12 contains-

A. Co

B. O2

C. CO2

D. Cl2

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86 .Species containing same number of electrons are called:

A. Isotopes

B. Isobars

C. Isoelectronic

D. Isotones

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87 .Chemical formula of washing sodais

A. Na2 SO4 10 H2 O

B. NaHCO3

C. Na2 CO3 10 H2O

D. Ca (OH)2

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88 .The substrate of Photorespiration is.

A. Fuctose

B. Pyruvic acid

C. Glycolate

D. Glucose

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89 .Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength-

A. Visible, infrared, microwave, Xrays

B. X â€“ rays, infrared, visible, microwave

C. Microwave, infrared, visible, X â€“ rays

D. X- rays, visible, infrared, microwave

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90 .Milk is an example of -

A. oil in water emulsion

B. Water in oil emulsion

C. Fat in oil emulsion

D. Fat in water emulsion

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