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Chemistry

Chemistry
What material is used to make electric heater coil ?

Iron
Copper
Silver
Nichrome

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Chemistry
The items amenable to detection by soft x-rays are

lead in bullets
genuine coins from counterfeit coins
contrabands
narcotics

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Chemistry
Sour taste of ‘Coca Cola’ is due to the presence of

Hydrochloric acid
Acetic acid
Formic acid
Phosphoric acid

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Chemistry
Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has

Stable half filled 2p sub level
High nuclear charge
Smaller atomic radius
High bond dissociation energy

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Chemistry
'Vinegar' is a commercial name of

Acetic acid
Citric acid
Oxalic acid
Hydrochloric acid

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Chemistry
Ozone depletion in the stratosphere is mainly caused by

Chlorogluorocarbons
SO2
NO2
NO

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MORE MCQ ON Chemistry

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