Everyday Science MCQs

Page No. 51

Bauxite is an ore of_________?


acopper

✖


bzinc

✖


caluminium

✓


diron

✖


View Answer aluminium

Who created periodic table?


aFaraday

✖


bLavoisier

✖


cArrhenius

✖


dMendeleev

✓


View Answer Mendeleev

Earth rotates the sun in___________?


a23 hours 56 min 4 sec

✓


b24 hours

✖


c23 hours 57 min 9 sec

✖


dNone of the above

✖


View Answer 23 hours 56 min 4 sec

Air Conditioning Controls:___________?


aCirculation of the Air

✖


bHumidity

✖


cTemperature

✖


dAll of the above

✓


View Answer All of the above

The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer?


aChemotherapy

✖


bRadiation

✖


cSurgery

✖


dImmunotherapy

✓


View Answer Immunotherapy

Which of the following is the most toxic gas?


aCarbon dioxide

✖


bCarbon monoxide

✓


cNitrogen

✖


dHydrogen

✖


View Answer Carbon monoxide

Radon is___________?


agermon radio

✖


bradio active gas

✓


cartificial fibre

✖


dan explosive

✖


View Answer radio active gas

Which one of the following gases is readily soluble in water at room temperature?


aChlorine

✖


bNitrogen

✖


cAmmonia

✓


dcarbon dioxide

✖


View Answer Ammonia

Bleaching powder contains___________?


aNitrogen

✖


bBromine

✖


cChlorine

✓


dIodine

✖


View Answer Chlorine

Bleaching action of chlorine is by________?


aOxidation

✓


bReduction

✖


cDecomposition

✖


dHydrolysis

✖


View Answer Oxidation

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