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Chemistry

Chemistry
What material is used to make electric heater coil ?

Iron
Silver
Copper
Nichrome

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Chemistry
The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is

limonene
geraniol
engenol
cineole

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Chemistry
What do you understand by the term Espuma ?

Foam
Calcium
Salt
Soap

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Chemistry
The constituents of automobile exhaust that can cause cancer is/are :

Carbon monoxide
Oxides of nitrogen
Lead
Polycyclic hydrocarbons

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Chemistry
Ozone saves the biosphere by absorbing high energy radiations called ________ .

X–rays
Gamma rays
Ultraviolet rays (UV)
Infra-red (IR)

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Chemistry
The metal compound commonly found in Sindhoor or Kumkum is based on

Tin
Zinc
Copper
Lead

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MORE MCQ ON Chemistry

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