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Chemistry

Chemistry
The process which does not evolve CO2 in air is

Burning
Breathing
Organic delay
Photosynthesis

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Chemistry
Which of the following molecules has a bond order of 2.5

CO
NO
HCL
F2

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Chemistry
The most commonly used bleaching agent is

sodium chlorine
chlorine
alcohol
carbon dioxide

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Chemistry
The polymer used in making plastic crockery is

Nylon
Melamine
Bakelite
Decron

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Chemistry
Choose the incorrect statement pertaining to organic compounds

They are not easily combustible
They do not dissolve in water
They contain mainly carbon and hydrogen
They have low melting and boiling points

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Chemistry
High concentration hydrocarbon pollutants in atmospheric air causes

Cancer
Respiratory diseases (e.g.asthma)
Silicosis
Reduced crop yield

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