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Chemistry

Chemistry
The mineral containing both magnesium and calcium is

magnesite
carnallite
dolomite
calcite

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Chemistry
Who first published the periodic table

John Dalton
Henry Moseley
Dmitri Mendeleev
Julius Lothar Meyer

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Chemistry
Antacids are found in drugs that give relief to

Eye sight
Headache
Acne
Stomach ache

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Chemistry
The pH of lemon juice is expected to be

Less than 7
More than 7
Equal to 7
Nothing can be predicted

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

engenol
cineole
limonene
geraniol

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Chemistry
Ozone depletion in the atmosphere is mainly caused by

Chlorofluorocarbon
Sulphur dioxide
Hydrogen sulphide
Nitrogen dioxide

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MORE MCQ ON Chemistry

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