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Chemistry

Chemistry
The hydronium ion is

H2+
H+
HO -
H3O+

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Chemistry
Who is known as the 'father of modern chemistry'

Robert Boyle
Antoine Lavoisier
Democritus
John Dalton

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Chemistry
The rusting of iron is a/an

Physical change
Electrochemical change
Electrical change
None of these

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Chemistry
PH value between 6.5-7.5 makes the soil

None of these
Basic
Neutral
Acidic

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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
limonene
engenol

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Chemistry
Atomic number of an atom gives the number of which of the following ?

Neutrons and protons
Neutrons
Protons
Electrons

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MORE MCQ ON Chemistry

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