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Chemistry

Chemistry
The molecular formula of phosphorous is

P4
P1
P2
P3

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Chemistry
When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called

Green house effect
Eutrophication
None of these
Smog

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Chemistry
When water itself combines chemically with some element or mineral it is called

Hydration
Carbonation
Desilication
Oxidation

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

Hundred percent transmission
Highest refraction
Multiple internal reflections
Multiple surface reflections

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Chemistry
Which among the following is found in chlorophyll ?

A l3+
Fe2+
Ca2+
Mg2+

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Chemistry
Chemical name of common salt is

Sodium Oxide
Sodium Chloride
Sodium Bicarbonate
Sodium

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