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Chemistry

Chemistry
Which of the following produces highest amount of energy upon oxidation?

Fat
Glucose
An alkane
Protein

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Chemistry
The main source of carbon monoxide is

Transportation
Industrial process
Solid waste disposal
Fuel combustion

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Chemistry
The two metal ions that cause hardness to water are:

Sodium, Magnesium
Calcium, Magnesium
Sodium, Potassium
Sodium, Calcium

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Chemistry
Isobars are lines joining places having equal

Pressure
Population
Height above sea-level
Rainfall

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Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Radon
Argon
Helium
Krypton

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Chemistry
Acid rain is caused due to emission of which of the following in to the atmosphere ?

Carbon dioxide and carbon monoxide
Ozone and carbon dioxide
Oxides of nitrogen and sulphur
Carbon monoxide and nitrogen

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