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Chemistry

Chemistry
The length of double bond is _______ than single bond

Shorter
None of these
Longer
Of same lenght

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Chemistry
The apparatus used to test acidity of aqueous solution is

PH meter
Ammeter
Hygrometer
Acidmeter

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Chemistry
'Atomic theory' of matter was given by

Avogadro
Pascal
Dalton
Newton

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Chemistry
Which one of the following contributes largely to the ‘green house effect’ ?

Carbon monoxide
Ozone
Water vapour
Carbon dioxide

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Chemistry
Vinegar made by fermentation from cane sugar contains

Lactic acid
Citric acid
Acetic acid
Palmitic acid

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Chemistry
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as

Additives
Independent
Antagonism
Synergism

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