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Chemistry

Chemistry
Which one is the most reactive gaseous element

Iodine
Chlorine
Flourine
Bromine

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Chemistry
The metal chiefly used for galvanising iron is :

Mercury
Cadmium
Zinc
Tin

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Chemistry
The nuclear particle having no mass and no charge, but only spin is

Proton
Neutrino
Electron
Meson

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Chemistry
Philosopher’s Wool is

Zinc sulphate
Zinc carbonate
Zinc blende
Zinc oxide

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Chemistry
Tar roads get damaged if there is

No sloping
Stagnation of water on road
Heavy traffic
No maintenance

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Chemistry
The metal that is used as a catalyst in the hydrogenation of oils is

Pt
Ni
Cu
Pb

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MORE MCQ ON Chemistry

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