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Chemistry

Chemistry
The number of electrons presents in H+ is

zero
two
one
three

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Chemistry
Higher concentration of nitrogen dioxide in atmosphere air causes

Cancer
Corrosion
Asphyxiation
Bronchitis

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Chemistry
The influence of temperature on reaction rate is predicted by

Arrhenius equation
Lewis equation
Van der Waals equation
Kirchhoff's equation

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Chemistry
Permanent – hardness of water may be removed by addition of

Lime
Alum
Sodium carbonate
Potassium Permangante

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Prevent making a colloid
Stabilise the colloid and prevent crystallisation
Enrich the aroma
Stabilise mixture

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Chemistry
Which of the following appeared to be with a significant potential for accumulation through food chains ?

Parathion
Carbary
Lindane
DDT

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MORE MCQ ON Chemistry

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