Recent questions in Chemistry Form 1

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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

Name the process which take place when Iodine changes directly from solid to gas

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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1 answer

State one way in which the strength of a base or an acid can be determined in the laboratory.

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

A seed catalogue that the preferred soil pH range for the growth of different varieties of a crop are as shown in the table.

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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1 answer

Equal volumes of water put in 100cm3 glass beaker and heated for 5 minutes using Bunsen flames. It was observed that water in beaker A registered higher temperature than beaker B.

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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1 answer

State one application of fractional distillation.

asked Jul 27, 2021 in Chemistry Form 1 by anonymous

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1 answer

What role do the following parts play during fractional distillation of water and ethanol?

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

An ion T3- has an electronic arrangement of 2.8

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

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1 answer

Give two reasons why hydrogen is not commonly used as a fuel.

asked Jul 23, 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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1 answer

Distinguish between strong and weak acids. Give an example of each

asked Jul 22, 2021 in Chemistry Form 1 by monicahwangombe

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explain why concentrated sulphuric acid is a weaker acid than dilute sulphuric acid

asked Jul 22, 2021 in Chemistry Form 1 by monicahwangombe

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2 answers

Hydrogen can reduce copper oxide but not aluminium oxide. Explain

asked Jul 20, 2021 in Chemistry Form 1 by 700000

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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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