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Chemistry

Chemistry
The most electropositive elements among the following is

Na
Cs
K
Ca

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Chemistry
Which is the purest form of iron?

Steel
Wrought iron
Cast iron
Pig iron

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Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Zymase
Diastase
Invertase
Maltase

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Chemistry
Which one element has the highest electronegativity value

Lithium
Nitrogen
Chlorine
Fluorine

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Chemistry
Which of the following does the Nucleus of an atom consist of?

Protons and electrons
Protons and neutrons
Protons
Electrons

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Chemistry
Rectified spirit is :

Tincture iodine
95% ethyl alcohol
100% ethyl alcohol
Methylated spirit

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MORE MCQ ON Chemistry

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