Chemistry Form 4 Questions and Answers

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1 answer

What is the function of acetylcholine?

answered Feb 9 in Chemistry Form 4 by jeffersonkimiXXX

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4 answers

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

answered Feb 3 in Chemistry Form 4 by 0708185XXX

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0 answers

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

asked Jan 7 in Chemistry Form 4 by 0725522XXX

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2 answers

Define molar heat solution.

answered Jan 2 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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2 answers

Give two properties of aluminum that makes it very suitable for making cooking utensils

answered Nov 15, 2022 in Chemistry Form 4 by 0111724XXX

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0 answers

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

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

answered Oct 9, 2021 in Chemistry Form 4 by ega

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1 answer

Define heat value of a fuel.

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

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

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

Distinguish between hydration energy and lattice energy.

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

State Hess’s law.

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

During electrolysis of aqueous copper (II) sulphate using copper electrodes a current of 0.2 amperes was passed through the cell for 5 hours. Determine the change in mass of the cathode that occurred as a result of the electrolysis process. (Cu = 64, IF = 96500 coulombs).

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

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

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

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

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

When bromine is dissolved in water the equilibrium shown below is established.

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

Explain why aqueous sodium chloride is not suitable as an electrolyte for the manufacture of sodium in the Downs process.

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

Below is a simplified diagram of the Down’s cell used for the manufacture of sodium. Study it and answer the questions that follow.

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

Electrode potentials for the half cells are shown below. Use the information to answer the questions that follow.

answered Aug 17, 2021 in Chemistry Form 4 by anonymous

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