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Chemistry

Chemistry
Coating of solid waste with impervious material is known as

Encapsulation
Landfill
Capping
Chemical fixation

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Chemistry
The total energy of revolving electron in an atom

Cannot be negative
Can never be positive
Will always be positive
Can have any value above zero

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Chemistry
Candle is a mixture of

Bees wax and stearic acid
Bees wax and paraffin wax
Higher fatty acids and stearic acid
Paraffin was and stearic acid

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Chemistry
When water itself combines chemically with some element or mineral it is called

Hydration
Desilication
Carbonation
Oxidation

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Chemistry
Which of the following is a monoatomic gas?

Fluorine
Nitrogen
Neon
Oxygen

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Chemistry
The items amenable to detection by soft x-rays are

genuine coins from counterfeit coins
lead in bullets
contrabands
narcotics

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