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Chemistry

Chemistry
Non-stick kitchenwares are coated with

Graphite
Silicon
PVC
Teflon

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Chemistry
Which one is the most dense liquid from the below

Water
None of these
Gasolin
Choloform

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Chemistry
Main pollutants released from iron and steel industry are

CO2, NO2 and SO3
CO, CO2 and SO2
NO, SO3 and H2S
CO2, H2S and NO2

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Chemistry
Which of the following acts as promoter for iron in Haber's process

Mo
Mg
Mn
W

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Chemistry
The alkaloid naturally found in coffee, cocoa and cola nut is

Tannin
Cocaine
Caffeine
Morphine

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Chemistry
Total number of naturally occurring elements

110
92
98
62

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