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Chemistry

Chemistry
Ultra purification of a metal is done by :

Leaching
Slugging
Smelting
Zone melting

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Chemistry
The molecule which has the highest percentage of ionic character among the following is

HI
HBr
HF
HCI

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Chemistry
Oxygen which is vital for life is a product of photosynthesis and comes from

Water
Carbon dioxide
Oxides of mineral elements
Carbonates from soil

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Chemistry
Which one of the following is used for dating very old objects of archaeological importance?

Radium
Carbon-14
Phosphorus-31
Tritium

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Chemistry
The “King of Metals” is :

Iron
Silver
Aluminium
Gold

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Chemistry
Which of the following is also used as a Bio fertilizer?

Uric Acid
Ammonia
None of these
Urea

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MORE MCQ ON Chemistry

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