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Chemistry

Chemistry
The gas used in the artificial ripening of fruits is

Acetylene
Ethane
Butane
Methane

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

O-2
O-22
O+2
O2

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Chemistry
In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by :

Adding a catalyst
Increasing the concentration of a reactant
Increasing the temperature
Increasing the concentration of a product

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Chemistry
The most volatile of the given liquids is

Liquid He
Liquid
Ether
Liquid NH3

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Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Nitrogen
Hydrogen
Oxygen
Carbon dioxide

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Chemistry
The acid which is secreted by the glands in the stomach wall is

Sulphuric acid
Phosphoric acid
Hydrochloric acid
Nitric acid

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