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Chemistry

Chemistry
The important ore of aluminium is

Bauxite
Fluorspar
Cryolite
Haematite

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Chemistry
The compound to which H2 does not add is

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

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Chemistry
Chemical name of vinegar is

Ethanol
Acetone
Formaldehyde
Acetic acid

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Chemistry
Which one of the following is most acidic

CaO
Al22O3
Na2O
MgO

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Chemistry
Chemical formula of washing soda is

Ca(OH)2
NaHCO3
Na2SO4.10H2O
Na2CO3.10H2O

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

Helium
Nitrogen
Hydrogen
Chlorine

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MORE MCQ ON Chemistry

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