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Chemistry

Chemistry
The common refrigerant in domestic refrigerator is

Freon
Neon
Nitrogen
Oxygen

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Chemistry
The main active constituent of tea and coffee is

chlorophyll
aspirin
caffeine
nicotine

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Chemistry
PH value between 6.5-7.5 makes the soil

None of these
Acidic
Neutral
Basic

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Chemistry
The ore which is found in abundance in India is

fluorspar
magnetite
bauxite
monazite

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Chemistry
The structure of NaCl crystal is

Octahedral
Body centered cubic
Square planar
Face centered cubic

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Chemistry
Milk is a

Mixture
Metal
Element
None of these

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