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Chemistry

Chemistry
Brine refers to :

Sweet water
Starch water
Pure water
Salt water

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Chemistry
The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

7.2 x
x/6
5x
5x/36

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Chemistry
Which one is the simplest aromatic hydrocarbon

Aspirin
Benzene
Chloride
Picric acid

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Chemistry
Chemical name of Gammaxane is

Benzene hexachloride
Toluene
Aniline
Chloro benzene

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Chemistry
The trans-uranium elements are the chemical elements with atomic numbers greater than

92
86
89
96

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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 :

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

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