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CHEMISTRY

Chemistry
In a period from Li to F, ionisation potential

Cannot be predicted
Decreases
Increases
Remains same

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Chemistry
In the periodic table of elements, on moving from left to right across a period, the atomic radius

Remains unchanged
Does not follow a definite pattern
Decreases
Increases

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Chemistry
The gas dissolved in water that makes it basic is :

Sulphur dioxide
Carbon dioxide
Hydrogen
Ammonia

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Chemistry
Which of the following acts as promoter for iron in Haber's process

Mo
W
Mn
Mg

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Chemistry
One property of ammonia is

It is insoluble in water
Its aqueous solution turns red litmus blue
It is a odourless gas
It is a yellowish gas

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