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Chemistry

Chemistry
By which organic compound all the oils are known ?

Carbohydrate
Ester
Hydrocarbon
Protein

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Chemistry
Iodine value is used to estimate

Carboxylic groups in oil
Hydroxyl groups in oil
Unsaturation in oil
Alkali content in oil

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Chemistry
Which of the following metals occurs in free state ?

Iron
Copper
Lead
Zinc

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Chemistry
Biofertilizers convert nitrogen to ________ .

Ammonia
Nitrogenase
Nitrates
Amino acids

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Chemistry
Setting of plaster of paris involves

Oxidation process
Dehydration process
Reduction process
Hydration to form other hydrates

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Chemistry
The most important ore of lead is

Pyrolusite
Galena
Magnetite
Siderite

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MORE MCQ ON Chemistry

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