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Chemistry

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

Natural gas
Uranium
Geothermal powder
Coal

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Chemistry
This group of alumino-silicate minerals is widely used in making electrical insulators

Bauxite
Manganese
Chromite
Mica

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Chemistry
The percentage of nitrogen present in ammonium sulphate is :

0.305
0.27
0.25
0.18

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Chemistry
Soap is prepared by boiling caustic soda with

Kerosene oil
Glycerine
Fats
Alcohol

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Chemistry
In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins?

Titanium
Copper
Iron
Aluminium

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Chemistry
Bhopal gas tragedy is associated with leakage of

Nitrogen dioxide
Carbon dioxide
Sulphur dioxide
Methyl isocyanate

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