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Chemistry

Chemistry
Alum is used as

A fertilizer
A purifier for water
An analgesic
A disinfectant

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Chemistry
Which of the following is used as anesthetic ?

N2O
NO2
NH3
NO

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Chemistry
The molecule which has the highest percentage of ionic character among the following is

HF
HI
HCI
HBr

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Chemistry
Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission?

USA, India, China, European Union
European Union, China, USA, India
China, USA, European Union, India
China, India, European Union, USA

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Chemistry
The lightest gas which is non-inflammable is

Hydrogen
Helium
Nitrogen
Oxygen

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Chemistry
The Fungus which is used in the alcohol industry is

Rhizopus
Yeast
Mushroom
Candida Aibicans

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MORE MCQ ON Chemistry

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