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Chemistry

Chemistry
What do you understand by the term Espuma ?

Soap
Salt
Foam
Calcium

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Chemistry
The number of electrons presents in H+ is

one
three
two
zero

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Chemistry
The chemical name of quartz is

Calcium phosphate
Sodium silicate
Sodium phosphate
Calcium oxide

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Chemistry
Ultraviolet rays can be used in water treatment as

Hydrolyser
Precipitator
Flocculator
Disinfectant

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Chemistry
When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to

NO2
SO2
N2O
SO3

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Chemistry
The most suitable vessel for storing concentrated sulphuric acid is

Aluminium vessel
Earthen vessel
Copper vessel
Glass vessel

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MORE MCQ ON Chemistry

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