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Chemistry

Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O+2
O2
O-2
O-22

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Chemistry
The number of electrons presents in H+ is

zero
three
one
two

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Chemistry
Bleaching powder is used in drinking water as a/an

Coagulant
Antiseptic
Disinfectant
Antibiotic

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Chemistry
Nylon is a type of

Polyester
Polyamide
Polyolefin
Acrylic

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Chemistry
When a bond is formed between two atoms, the energy of the system will

Decrease
Remain the same
May increase or decrease
Increase

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Chemistry
An emulsion is a colloid of a

Liquid in a gas
Liquid in a liquid
Gas in a liquid
Gas in a solid

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