Recent questions in Chemistry Form 1

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what is galvanization

asked Mar 14, 2022 in Chemistry Form 1 by Onesmusngatia

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1 answer

what is galvanization

asked Mar 14, 2022 in Chemistry Form 1 by Onesmusngatia

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1 answer

strong heating to separate compound into constituent elements iscalled

asked Mar 10, 2022 in Chemistry Form 1 by demark001

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2 answers

In Chemistry gentle heating is referred to as

asked Mar 10, 2022 in Chemistry Form 1 by demark001

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1 answer

why is hydrogen able to reduce iron yet it is below iron in reactivity series

asked Mar 4, 2022 in Chemistry Form 1 by finivine

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5 answers

what is the test for hydrogen

asked Mar 1, 2022 in Chemistry Form 1 by BoazOkuta

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4 answers

what are the advantages of rust

asked Feb 19, 2022 in Chemistry Form 1 by vkta

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1 answer

Explain observation made when anhydrous calcium chloride and anhydrous copper 2 sulphate are separately exposed to the atmosphere for about 2 days

asked Jan 24, 2022 in Chemistry Form 1 by Phillies

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1 answer

Why is water not used to extinguish oil fire?

asked Jan 15, 2022 in Chemistry Form 1 by simonmburu731

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3 answers

Define a pH scale.

asked Jan 11, 2022 in Chemistry Form 1 by lings

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2 answers

Distinguish between strong and weak acid

asked Jan 3, 2022 in Chemistry Form 1 by herr

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2 answers

What is the observation made during combustion?

asked Dec 23, 2021 in Chemistry Form 1 by GrahamHumphrey

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2 answers

carbon iv oside

asked Dec 22, 2021 in Chemistry Form 1 by DrMjanja

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1 answer

Hydrated copper ( || )sulphate exist as blue crystals while anhydrous copper ( || )sulphate is a white powder. Describe a laboratory experiment that can be used to show that the action of heat on hydrated copper (||)sulphate is a reversible reaction

asked Dec 21, 2021 in Chemistry Form 1 by Danielkioko

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this pain is passed over heated magnesium ribbon and hydrogen gas was collected as shown in the diagram below. (i) name the gas p (ii) write an equation of the reaction that takes place in the commbustion tube. (iii) state three precautions necessary at the end of the experiment.

asked Dec 19, 2021 in Chemistry Form 1 by AgnesMusungu

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1 answer

In an experiment dry hydrogen gas is passed over hot copper (ii) oxide in a combustion tube as shown in the diagram below.(b) describe how copper could be obtained from the mixture containing copper (ii) oxide

asked Dec 19, 2021 in Chemistry Form 1 by AgnesMusungu

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1 answer

when water reacts with potassium metal the hydrogen produced ignites explosively on the surface of water.(i) what causes ignition.(ii) write an equation to show how this ignition occurs

asked Dec 19, 2021 in Chemistry Form 1 by AgnesMusungu

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1 answer

Hydrogen can reduce coppers oxide but not aluminium oxide.Explain

asked Dec 19, 2021 in Chemistry Form 1 by AgnesMusungu

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2 answers

Why is water not suitable for chromatography?

asked Dec 18, 2021 in Chemistry Form 1 by Flexx

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1 answer

What is a desiccator use for in the laboratory?

asked Nov 25, 2021 in Chemistry Form 1 by Sosajr6

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