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Chemistry

Chemistry
The ore which is found in abundance in India is

magnetite
bauxite
monazite
fluorspar

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Chemistry
Sea weeds are important source of

Iron
Chlorine
Bromine
Iodine

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Chemistry
Which is the purest commercial form of iron ?

Stainless steel
Steel
Wrought iron
Pig iron

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Chemistry
The two metal ions that cause hardness to water are:

Sodium, Magnesium
Calcium, Magnesium
Sodium, Potassium
Sodium, Calcium

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Chemistry
Diamonds are glittering and attractive because light incident on them undergoes

Multiple surface reflections
Multiple internal reflections
Hundred percent transmission
Highest refraction

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Chemistry
Electric fuse is an alloy of

Carbon and tin
Zinc and lead
Tin and lead
Copper and iron

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MORE MCQ ON Chemistry

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