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Chemistry

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

CO
NO
HCL
F2

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Chemistry
Which one of the following minerals is found in pure form?

Manganese
Bauxite
Copper
Iron

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Chemistry
Which one of the following elements is least likely to be found in commercial fertilisers?

Silicon
Nitrogen
Phosphorous
Potassium

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Enrich the aroma
Prevent making a colloid
Stabilise the colloid and prevent crystallisation
Stabilise mixture

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Chemistry
Cement containing excess amount of lime

Cracks during setting
Becomes more strong
Is slow setting
Is quick setting

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Chemistry
Substance used as an anti freeze in radiators of automobiles is :

Ethyl alcohol and H2O
Methyl alcohol and H2O
Ethyl alcohol
Methyl alcohol

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