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Chemistry

Chemistry
The mineral containing both magnesium and calcium is

magnesite
carnallite
dolomite
calcite

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Chemistry
The wire of flash bulb is made of:

Silver
Copper
Magnesium
Barium

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Chemistry
An important green-house gas other than methane being produced from the agricultural fields is

Nitrous oxide
Ammonia
Arsine
Sulphur dioxide

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Chemistry
The gas which emits from rice field is

Ethane
Methane
All of these
Nitrogen

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Chemistry
Which of the following is a natural polymer?

Starch
Bakelite
Nylon
Polythene

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Chemistry
Isobars are lines joining places having equal

Height above sea-level
Rainfall
Pressure
Population

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MORE MCQ ON Chemistry

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