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Chemistry

Chemistry
If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by

Iron
Lead
Arsenic
Mercury

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Chemistry
The gas used in the artificial ripening of fruits is

Acetylene
Butane
Ethane
Methane

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Chemistry
Cement containing excess amount of lime

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

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Chemistry
Curd is sour due to presenceof

Tartaric acid
Lactic acid
Acetic acid
Oxalic acid

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Chemistry
Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water

Magnesium
None of these
Manganese
Calcium

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

NO
CO
HCL
F2

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