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Chemistry

Chemistry
The heat value of combustion of Gasoline is

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

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Chemistry
Spirit in contact with body gives cool sensation because it is :

Liquid
Highly volatile
Transparent
A good conductor

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Chemistry
Which one of the following elements is used in the manufacture of fertilizers ?

Fluorine
Aluminium
Potassium
Lead

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Chemistry
Ruby and sapphire are oxides of

Copper
Iron
Tin
Aluminium

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Chemistry
The unit to measure the flow of water is

Micro Mho
Ohm meter
Cusecs
Milli curie

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Chemistry
Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of

Open system
Isobaric system
Isothermal system
Closed system

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