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Chemistry

Chemistry
Which one of the following elements is an example of noble gas ?

Nitrogen
Chlorine
Hydrogen
Helium

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Chemistry
In drinking water supply, which of the following treatments is not involved

Sedimentation
Disinfection
Coagulation
Softening

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Chemistry
Galvanization of iron is carried out using

Copper
Chromium
Zinc
Tin

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Chemistry
The most electropositive elements among the following is

Na
Ca
Cs
K

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Chemistry
The heat value of combustion of Gasoline is

14600 kJ/kg
39400 kJ/kg
12600 kJ/kg
47000 kJ/kg

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Chemistry
The residue left after extracting juice from sugarbeet and sugarcane is called

Biomass
Whey
Molasses
Bagasse

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MORE MCQ ON Chemistry

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