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Chemistry

Chemistry
The inherited traits of an organism are controlled by

DNA molecules
RNA molecules
nucleotides
enzymes

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Chemistry
Which of the following electrodes is used in strongly alkaline solution

Mercury - mercurous chloride electrode
Silver - silver chloride electrode
Mercury - mercuric oxide electrode
Mercury - mercurous sulphate electrode

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Chemistry
Alum is used as

A purifier for water
An analgesic
A disinfectant
A fertilizer

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Chemistry
The inert gas used as beacon light is

Ar
Ne
Kr
He

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Chemistry
The element with highest first ionisation energy is

Helium
Lithium
Hydrogen
Sodium

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Chemistry
Which one of the following elements is least likely to be found in commercial fertilisers?

Potassium
Silicon
Nitrogen
Phosphorous

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MORE MCQ ON Chemistry

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