Everyday Science MCQs

5120 MCQs  (Page 269 of 512)

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Which of the following does not contain phosphorus ?
A. Yolk of egg
B. Bone
C. Nerves
D. Steel
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Which one of the following is not the use of graphite ?
A. Lead pencils
B. Abrasive
C. Lubricant
D. Electrode of electrolytic cell
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The composition of brown ring in nitrate test is_________________?
A. Feso4.no
B. Feso4.no2
C. Feso4.no3
D. Feso4.n2o
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Which one of the following compounds usually smells like garlic ?
A. P2o3
B. P2o5
C. H3po3
D. All have same smell
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The element of group VIA which is a non-metal is________________?
A. S
B. Se
C. Te
D. Po
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All the elements in group VIA are ___________________ in nature?
A. Hygroscopic
B. Metals
C. Polymeric
D. All of above
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Which allotropic form of phosphorous is the most stable ?
A. White
B. Black
C. Red
D. Violet
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The chemical composition of cinnabar is__________________?
A. Zns
B. Pbs
C. Hgs
D. Fes
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Oxygen and sulphur resemble in all except________________?
A. Electronic conviguration of valence shell electrons
B. Show allotropy
C. Polymeric
D. Show same oxidation state
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Arsenic oxides are removed by passing through_________________?
A. Ferric hydroxide
B. Sodium hydroxide
C. Calcium hydroxide
D. Aluminium hydroxide
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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