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Chemistry

Chemistry
Which one of the following minerals is found in Monazite sand ?

Sodium
Potassium
Thorium
Uranium

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Chemistry
The increasing abundance of green house gases in atmosphere has led to the following effect except

Carbon dioxide ferilization effect
Depletion of ozone layer in the stratosphere
Oxygen fertilization effect
Global warming

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Chemistry
Which one is not a primary greenhouse gases in the Earth's atmosphere

Methane
Carbon dioxide
Nitrogen
Ozone

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

Highly volatile
Transparent
Liquid
A good conductor

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Chemistry
The chemical name of baking soda is

Sodium nitrate
Sodium bicarbonate
Sodium carbonate
Sodium chloride

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Chemistry
Solder is an alloy of

Sodium, lead
Copper, lead
Tin, lead
Lead, zinc

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