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Chemistry

Chemistry
The heat energy produced when the human body metabolises 1 gram of fat is

39 KJ
29 KJ
30 KJ
1 KJ

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Chemistry
The acid which is secreted by the glands in the stomach wall is

Nitric acid
Hydrochloric acid
Phosphoric acid
Sulphuric acid

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Chemistry
Trinitrotoluene is

Used as an explosive
Used as an abrasive
Used to fuse two metals
Used to melt metals

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Chemistry
The inexpensive and commonly used variety of glass is called soda glass.

is made using soda lime
was used initially for making bottles of soda(carbonated drink)
is made using soda(sodium carbonate)
was initially used for storing sodium carbonate

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Bauxite
Haematite
Chalcopyrites
Calamine

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

Isothermal system
Isobaric system
Open system
Closed system

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