Everyday Science MCQs

5120 MCQs  (Page 454 of 512)

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Deficiency of vitamin E in the human body causes __________?
A. Muscle weakness and vision problem
B. Bone problem
C. Rickets
D. Osteoporosis
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A solar eclipse occurs when _________?
A. Venus between earth and sun
B. Moon is between earth and sun
C. Sun is between earth and moon
D. Moon is between earth and neptune
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_______ bacterial disease affects Eye?
A. Trachoma
B. Rickets
C. Osteoporosis
D. Gum disease
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Which one does not give borax bead test_________________?
A. Copper sulphate
B. Barium sulphate
C. Cobalt sulphate
D. Nickel sulphate
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As we go higher into the atmosphere, the air becomes?
A. Thinner
B. Denser
C. Warmer
D.
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Aldehydes and ketones both, show the type of Isomerism is __________?
A. Chain isomerism
B. Functional group isomerism
C. Metamerism
D. Position isomerism
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The quality of petrol is improved by ____________?
A. Cracking
B. Reforming
C. Refining
D. Hydration
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A process in which large molecules are broken up into into smaller molecules is called as_____.
A. Reforming
B. Cracking
C. Refining
D. Isomerization
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Octane rating of Gasoline can be increased by __________?
A. Refining
B. Cracking
C. Reforming
D. None of these
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Which one is a pure carbon?
A. Coal tar
B. Coal gas
C. Coke
D. None of these
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Word of the Day
28 Jul
Fragile
(of an object) easily broken or damaged.
نازک، کاغذی، آسانی سے ٹوٹ جانیوالا

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