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Chemistry Past Questions and Answers

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Chemistry Questions

Question 2601:

The type of chemical bond that exists between potassium and oxygen in potassium oxide is

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A Ionic
B Metallic
C Covalent
D Dative

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Question 2602:

Which of the following contains co-ordinate covalent bond?

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A HCI
B CH <sub style='font-size: smaller;'>4</sub>
C NH<sub style='font-size: smaller;'>4</sub>
D Na<sup style='font-size: smaller;'>+</sup>CI

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Question 2603:

Elactrostatic force of attraction between sodium ion and halide ion is greatest in

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A NaCI
B NaBr
C NaF
D NaI

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Question 2604:

Which of the following non-metals reacts most readily with metals?

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A Nitrogen
B Chlorine
C Sulphur
D Carbon

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Question 2605:

A radioactive solid is best stored

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A Under paraffin oil
B Under ultraviolet light
C In a cool, dark cupboard
D In a box lined with lead

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