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Chemistry

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

nitrogen
hydrogen
oxygen
carbon dioxide

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Chemistry
Inert gases are

Chemically very active
Not stable
Chemically unreactive
Miscible with water

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Chemistry
When a bond is formed between two atoms, the energy of the system will

Increase
May increase or decrease
Remain the same
Decrease

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Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O-22
O2
O-2
O+2

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Chemistry
PH value between 6.5-7.5 makes the soil

None of these
Acidic
Basic
Neutral

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Chemistry
The element with highest first ionisation energy is

Helium
Sodium
Hydrogen
Lithium

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