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Chemistry

Chemistry
Piped Natural Gas (PNG) is used for

Anaesthesia
Cooking
Mining
Welding

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Chemistry
Which of the following has the highest lattice energy

NaF
RbF
KF
CsF

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Chemistry
Nitrogen is an essential constituent of all :

Proteins
Vitamins
Fats
Carbohydrates

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Chemistry
Which of the following vegetable oils does not contain essential fatty acids ?

Sunflower oil
Mustard oil
Coconut oil
Groundnut oil

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Chemistry
Which one of the following is used to restore the colour of old oilpaintings ?

Hydrogen peroxide
Sodium peroxide
Ozone
Barium peroxide

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Chemistry
Formic acid is produced by

Red ants
Mosquitoes
Cockroaches
White ants

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