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Chemistry

Chemistry
Which one of the following is most electronegative

Tin
Carbon
Silicon
Lead

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Chemistry
Air is said to be saturated when :

Its pressure is minimum
It blows over the barren land
It contains maximum content of water vapour
Its thickness is maximum

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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
geraniol
limonene

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Chemistry
Taj Mahal is greatly affected due to :

Sound pollution
Deforestation
Acid rain
Tourists

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Chemistry
The Refrigerant 'FREON' is

Fluorspar and Felspar
Calcium Tetra Fluoride
Hydrofluosilicic Acid
Difluoro Dichloro Methane

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Chemistry
Which of the following metals occurs in free state ?

Copper
Iron
Zinc
Lead

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MORE MCQ ON Chemistry

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