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Chemistry

Chemistry
Which among the following elements is found in maximum percentage in the human body ?

Oxyzen
Carbon
Hydrogen
Nitrozen

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Chemistry
In organic compounds, nitrogen is estimated by

Carius method
Liebig's method
Dumas method
Victor-Meyer's method

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Chemistry
The heat value of combustion of Gasoline is

47000 kJ/kg
12600 kJ/kg
39400 kJ/kg
14600 kJ/kg

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Chemistry
The nuclear particles which are assumed to hold the nucleons together are

electrons
mesons
neutrons
positrons

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Chemistry
Choose the incorrect statement pertaining to organic compounds

They have low melting and boiling points
They contain mainly carbon and hydrogen
They do not dissolve in water
They are not easily combustible

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Chemistry
Tetra ethyle lead (TEL) is

A reductant
An antioxidant
A catalyst in burning fossil fuel
An antiknock compound

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