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Chemistry

Chemistry
An electric iron has a heating element made of :

Nichrome
Copper
Tungsten
Zinc

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Chemistry
Which gas does not form the part of atmosphere ?

Nitrogen
Chlorine
Helium
None of these

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Chemistry
Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process :

Ozonolysis
Hydrogenation
Oxidation
Hydrolysis

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Chemistry
Cyanide poisoning causes death in seconds because

It causes cardiac arrest
It denatures enzymes of the heart/muscle
It breaks the electron transport chain
It causes Lysis of red blood cells

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Chemistry
Which of the following is a metallic ore ?

Mica
Galena
Feldspar
Quartz

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Chemistry
A polymeric substance used to make parachute is

Terylene
Rayon
Viscose
Cotton

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MORE MCQ ON Chemistry

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