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Chemistry

Chemistry
The wire of flash bulb is made of:

Barium
Silver
Magnesium
Copper

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Chemistry
Which one of the following is not a characteristic feature of alloys? They are

Compounds
Solutions
Homogeneous systems
Mixtures

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Chemistry
Which of the following is used to iodise common salt ?

Potassium iodide
Potassium iodate
Iodine
Sodium iodide

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Chemistry
Quartz is made of

Calcium Sulphate
Sodium Sulphate
Sodium Silicate
Calcium Silicate

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Chemistry
Threshold limit value of copper in the atmospheric air is

0.01 mg/m3
0.001 mg/m3
1.0 mg/m3
5.0 mg/m3

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Chemistry
Which one of the following forms of phosphorus is most reactive?

Black phosphorus
Violet phosphorus
White phosphorus
Red phosphorus

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MORE MCQ ON Chemistry

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