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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