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Chemistry

Chemistry
How many neutrons does iron have

13
30
8
26

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Chemistry
"Paramagnetism" is the property of

Unpaired electrons
Completely vacant electronic subshells
Paired electrons
Completely filled electronics subshells

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Chemistry
Solder metal is an alloy of

Copper and tin
Lead and tin
Lead and antimony
Copper and zinc

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Chemistry
Which of the following has least negative electron gain enthalpy

F
P
Cl
S

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Chemistry
Aluminium can be purified by

Distillation
Oxidation
Ozonolysis
Electrolysis

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Chemistry
Which of the following partial miscible liquid pairs has both lower and upper critical solution temperature

Water and Phenol
Water and diethyl aniline
Aniline and n-hexane
Glycerine and m-toluene

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MORE MCQ ON Chemistry

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