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Chemistry

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

HCL
CO
NO
F2

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Chemistry
The metal does not give H2 on treatment with dilute HCL is

Ca
Ag
Fe
Zn

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Chemistry
Green house effect is accelerated by

Rapid industrialization
All of these
Deforestation
Increased transportation activity

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Chemistry
Most poisonous pollutant in water is

Zinc
Arsenic
Phosphate
Detergent

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Chemistry
The element used for making solar cells is

Silicon
Calcium
Sodium
Magnesium

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Chemistry
Rock salt is a mineral containing

Potassium
Iron
Sodium
Magnesium

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