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Chemistry

Chemistry
Among the following the hardest metal is

Iron
Gold
Tungsten
Platinum

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

Fat
An alkane
Protein
Glucose

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Chemistry
Major gaseous pollutant of the thermal power station is

H2 S
NO2
SO2
NH3

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Chemistry
In sugar solution,

Sugar is solute, water is solvent
Both are solvents
Both are solutes
Sugar is solvent, water is solute

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Chemistry
Chemically ‘Quick Silver is known as

Silver
Copper
Mercury
Aluminium

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Chemistry
Which of the following is the maximum number of electrons that can be present in M-shell?

18
2
32
8

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