Air And Combustion Questions and Answers

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1 answer

Air was passed through several reagents as shown below

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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1 answer

Name the process which take place when Fe2+ changes to Fe3+

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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1 answer

The diagram below illustrates an experiment set up to investigate the effect of heat on copper (II) carbonate. Study it and answer the questions that follow.

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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1 answer

State the importance of oxygen in cutting metals

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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1 answer

Complete the table below to show pairs of substances used to prepare oxygen.

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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2 answers

Give two products formed when a candle burns.

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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1 answer

Air was passed through several reagents shown in the flow chart below.

asked Jul 26, 2021 in Chemistry Form 1 by anony mous

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1 answer

A mixture of magnesium powder and lead oxide will react vigorously when heated but no reaction occurs when a mixture of magnesium oxide and lead powder are heated.

asked Jul 23, 2021 in Chemistry Form 1 by anony mous

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1 answer

Study the flow chart below and answer the questions that follow

asked Jul 23, 2021 in Chemistry Form 1 by anony mous

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3 answers

What is the chemical formula of rust?

asked Jul 18, 2021 in Chemistry Form 1 by huawei

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1 answer

Air was passed through reagents as shown below.

asked Jul 5, 2021 in Chemistry Form 1 by anonymous

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1 answer

With the aid of a well labeled diagram, show that the almost colourless region of a non luminous flame consist of unburnt gases

asked Jul 5, 2021 in Chemistry Form 1 by anonymous

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