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Chemistry

Chemistry
Litmus is obtained from

Lichen
An alga
A fungus
A bacterium

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Chemistry
Most commonly used bleaching agent is

Carbon dioxide
Sodium chloride
Alcohol
Chlorine

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Chemistry
Which gas is used for converting vegetable oils into saturated fats ?

H2
SO2
Cl2
O2

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Chemistry
The most suitable vessel for storing concentrated sulphuric acid is

Earthen vessel
Glass vessel
Aluminium vessel
Copper vessel

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

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

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Chemistry
When iron rusts, its weight

First increases and then decreases
Decreases
Increases
Remains the same

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