Recent questions in Chemistry

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3 answers

define electrolysis

asked Feb 7, 2022 in Chemistry Form 2 by tokyo240

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2 answers

Write a balanced equation of the reaction between Sodium Chloride and Fluorine

asked Feb 5, 2022 in Chemistry Form 2 by Stevowawote

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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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3 answers

why is silver choride used in photographic films?

asked Jan 22, 2022 in Chemistry Form 3 by creative

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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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1 answer

disadvantages of using ammonia as a fertilizer

asked Jan 13, 2022 in Chemistry Form 3 by ytherah

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1 answer

A sample of polymer has a molecular mass of 63600. Calculate the number of monomers in the sample

asked Jan 12, 2022 in Chemistry Form 4 by sostenah

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3 answers

Define a pH scale.

asked Jan 11, 2022 in Chemistry Form 1 by lings

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3 answers

Write the equation for the reaction between propanol and propanoic acid

asked Jan 10, 2022 in Chemistry Form 4 by PiusMusomi

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1 answer

Show how bonding occurs in CO

asked Jan 7, 2022 in Chemistry Form 2 by BrianEzekielKathi

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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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1 answer

Write the equation for the reaction between sodium hydroxide and sulphuric (VI) acid

asked Jan 3, 2022 in Chemistry Form 2 by Reat

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4 answers

Give two disadvantages of evaporating a solution to dryness during crystallization

asked Dec 24, 2021 in Chemistry Form 2 by langat2022

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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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3 answers

Why is H2SO4 not used in making carbon (4) oxide?

asked Dec 22, 2021 in Chemistry Form 2 by tetan

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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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0 answers

iodine vapour reacts slowly with hot iron to firm grayish black crys tals of iron(III) iodide.Explain

asked Dec 20, 2021 in Chemistry Form 2 by leria

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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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