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Chemistry

Chemistry
Number of hydrogen atoms in a Glucose molecule

6
14
8
12

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Chemistry
Which of the following is very reactive and kept in kerosene?

Sodium
Iodine
Potassium
Bromine

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

Magnesium
Manganese
None of these
Calcium

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Chemistry
Which is not an anasthetic agent in surgical operations?

Chloroform
Nitrous oxide
Acetone
Ether

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Chemistry
Sulphur dioxide bleaches colouring matter by :

Reduction
Dehydration
Oxidation
Decomposition

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Chemistry
White phosphorus is generally kept under

Water
Glycerine
Alcohol
Kerosene oil

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