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Chemistry

Chemistry
Cinnabar is an ore/mineral of

Lead
Manganese
Mercury
Molybdenum

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Chemistry
The liquid waste from kitchens and baths, of residences is known as :

Domestic sewage
Storm water
Refuse
Sullage

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Chemistry
The compound to which H2 does not add is

Tetra –9 – phenanthrylethylene
Tetra – a –naphthylethylene
Biphenyl ethylene
Tetraphenyl ethylene

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Chemistry
Silicon is used in

All of these
Semiconductors
Solar energy devices
Transistors

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Chemistry
Stalactites and Stalagmites form due to the precipitation of :

CaCO3
CaCl2
MgCl2
MgCO3

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Chemistry
Which among the following is liquid non-metal ?

Bromine
Water
Alcohol
Mercury

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MORE MCQ ON Chemistry

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