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Chemistry

Chemistry
The gas used in the manufacture of vanaspati from vegetable oil is

carbon dioxide
hydrogen
nitrogen
oxygen

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Chemistry
The important metal used with iron to produce stainless steel is

Tin
Carbon
Aluminium
Chromium

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Chemistry
The least preferred technique in the disposal of Municipal Solid Waste is

Bricketting
Composting
Land filling
Incineration

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Chemistry
The gas which emits from rice field is

Methane
Ethane
All of these
Nitrogen

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Chemistry
The coordination number of body centered atom in cubic structure is

10
8
4
6

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Chemistry
Which of the following is a commercial source of energy?

Natural gas
Agricultural waste
Sun
Dried dung

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