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Chemistry

Chemistry
The hydronium ion is

HO -
H3O+
H+
H2+

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Chemistry
The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is

cineole
geraniol
engenol
limonene

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Chemistry
The atmospheric gas that is mainly responsible for Green House effect :

Oxygen
Carbondioxide
Ozone
Nitrogen

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Chemistry
Which of the following is used as a preservative to protect processed food?

BHT
Sodium sulphate
Sodium metabisulphite
Saccharin

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Chemistry
Sweat contains water and ________

Citric acid
Salt
Vinegar
Lactic acid

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Chemistry
Heavy metals got their name because compared to other atoms they have

Higher densities
Higher atomic radii
Higher atomic numbers
Higher atomic masses

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MORE MCQ ON Chemistry

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