Recent questions in Chemistry Form 2

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2 answers

The table below shows some properties of substances D, F and E. Study it and answer the questions that follow.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

The table below gives the energy required to remove the outermost electron for some group I elements.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

The table below gives the number of electrons, protons and neutrons in substances X, Y and Z. Study it and answers the questions that follow.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

The grid below is part of the periodic table. Use it answer the questions that follow. (The letters are not the actual symbols of the elements).

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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6 answers

Give two allotropes of carbon.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

What is meant by an allotrope?

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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2 answers

Define the following terms. Normal salt, Efflorescent salts and Deliquescent salts

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

The diagram below illustrates a method of preparing salts by direct synthesis.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

Apart from direct synthesis name two other methods of salt preparation.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

Define the term salt.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

In terms of structure and bonding, explain the following observation. Melting point of chlorine is lower than that of sulphur.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

In terms of structure and bonding, explain the following observation. The melting point of water H2O is higher than that of H2S.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

with reference to atomic number one, explain why hydrogen can be placed in either group 1 and 7 of the periodic table??

asked Aug 27, 2021 in Chemistry Form 2 by Oguma

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2 answers

what is a radical?

asked Aug 22, 2021 in Chemistry Form 2 by mankey

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1 answer

Compare with a reason the atomic radius of sodium to that of aluminium

asked Aug 18, 2021 in Chemistry Form 2 by Abuk

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1 answer

The set up below was used to investigate the burning of a candle study it and answer the questions that follow.

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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3 answers

Candle wax is mainly a compound consisting of two elements. Name the two elements.

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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2 answers

Give any two uses of carbon IV oxide gas.

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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1 answer

A form three student from Anestar High School used the set up drawn below in an attempt to prepare dry carbon IV oxide .Study it carefully and use it to answer the questions that follows.

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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1 answer

Nitrogen gas is used as an inert atmosphere in electric lamps. Explain in terms of structure and bonding why nitrogen gas is so stable .

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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