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Chemistry

Chemistry
How many neutrons does iron have

26
13
30
8

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Chemistry
Which one element has the highest electronegativity value

Chlorine
Fluorine
Nitrogen
Lithium

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Chemistry
Gunpowder consits of a mixture of

Sulphur, sand and charcoal
TNT and charcoal
Sand and TNT
Nitre, sulphur and charcoal

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Chemistry
The most important ore of lead is

Galena
Siderite
Pyrolusite
Magnetite

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Chemistry
The main chemical constituent of clay is

aluminium borosilicate
silicon oxide
aluminium silicate
zeolites

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Chemistry
Sea water can be purified by the process of

Filtration
Distillation
Fractional distillation
Evaporation

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MORE MCQ ON Chemistry

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