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Chemistry

Chemistry
Identify the metal which is non toxic in nature.

Cobalt
Cadmium
Chromium
Gold

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Chemistry
Diamonds are glittering and attractive because light incident on them undergoes

Multiple internal reflections
Hundred percent transmission
Multiple surface reflections
Highest refraction

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Chemistry
The maximum number of isomers for an alkene with molecular formula C4H8 is

2
5
4
3

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Chemistry
The most suitable unit for expressing nuclear radius is :

Angstrom
Nanometre
Fermi
Micron

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Chemistry
Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

All of these
CO2
CO
O3

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

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

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