Chemistry Form 4 Questions and Answers

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chemical equations of magnesium sulphate reacting with sodium carbonate

asked Feb 12 in Chemistry Form 4 by 0114410XXX

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8 answers

Give two reasons why wood and charcoal are chosen for domestic heating.

answered Dec 16, 2023 in Chemistry Form 4 by 0708069XXX

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3 answers

standard of heat combustion

answered Dec 16, 2023 in Chemistry Form 4 by 0708069XXX

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3 answers

standard of heat combustion

answered Dec 15, 2023 in Chemistry Form 4 by 0711859XXX

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3 answers

What is the function of acetylcholine?

answered Oct 28, 2023 in Chemistry Form 4 by 0113860XXX

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3 answers

Use the standard electrode potentials for elements A, B, C, D and F given below to answer the questions that follow.

answered Oct 22, 2023 in Chemistry Form 4 by 0742567XXX

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5 answers

Give the condition and the reagent under the ethanol is converted to ethanoic acid

answered Oct 3, 2023 in Chemistry Form 4 by 0793908XXX

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2 answers

Aqueous copper (II) sulphate was electrolysed using the set up below.

answered Aug 25, 2023 in Chemistry Form 4 by 0799583XXX

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1 answer

state why bauxite is first crushed and ground into smaller particles

answered Aug 25, 2023 in Chemistry Form 4 by 0799583XXX

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1 answer

what property make aluminium oxide and silicon iv oxide react with sodium hydroxide solution

answered Aug 25, 2023 in Chemistry Form 4 by 0799583XXX

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5 answers

State Hess’s law.

answered Aug 24, 2023 in Chemistry Form 4 by 0748094XXX

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2 answers

The diagram below shows an energy level diagram for the formation of magnesium chloride. Study it and answer the questions that follow.

answered Jul 27, 2023 in Chemistry Form 4 by 0701497XXX

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0 answers

you are provided with -2.0m sodium hydroxide solution labelled solution B- solution Containing 12.25g per litre of an mineral acid you're required to prepare a dilute solution of sodium hydroxide solution B. Determine the relative formula mass of the acid molar enthalpy change of reaction between acid C and sodium hydroxide solution B

asked Jul 20, 2023 in Chemistry Form 4 by 0731373XXX

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1 answer

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

answered Jun 13, 2023 in Chemistry Form 4 by anony mous

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1 answer

What is the formula of products of a mixture of Ethanol and Butanoic acid with few drops of sulphuric (vi) acid?

answered Jun 13, 2023 in Chemistry Form 4 by anony mous

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2 answers

Methane reacts with bromine as shown in the following equation. CH4(g) + Br2(g) → CH3Br(g) + HBr(g) Using the bond energies in the Table, calculate the enthalpy change, ΔH for the reaction.

answered May 1, 2023 in Chemistry Form 4 by 0720702XXX

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0 answers

Calculate the amount of moles at room temperature and pressure of methane which has a volume of 1450cm , temperature of 34.8 and M.G.V of 24000cm

asked Apr 28, 2023 in Chemistry Form 4 by 0740042XXX

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2 answers

Define molar heat solution.

answered Jan 2, 2023 in Chemistry Form 4 by 0721317XXX

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2 answers

what is an acid anhydride?

answered Dec 21, 2022 in Chemistry Form 4 by 0756889XXX

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3 answers

Write the equation for the reaction between propanol and propanoic acid

answered Dec 7, 2022 in Chemistry Form 4 by 0633071XXX

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