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Chemistry Form 4 Questions and Answers
0
votes
1
answer
What is the function of acetylcholine?
answered
Feb 9
in
Chemistry Form 4
by
jeffersonkimiXXX
organic chemistry
0
votes
4
answers
Give two reasons why wood and charcoal are chosen for domestic heating.
answered
Feb 3
in
Chemistry Form 4
by
0708185XXX
energy changes in chemical and physical processes
0
votes
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
organic chemistry ii
0
votes
2
answers
Define molar heat solution.
answered
Jan 2
in
Chemistry Form 4
by
0721317XXX
energy changes in chemical and physical processes
molar heat solution
0
votes
2
answers
what is an acid anhydride?
answered
Dec 21, 2022
in
Chemistry Form 4
by
0756889XXX
acids
bases and salts
0
votes
3
answers
Write the equation for the reaction between propanol and propanoic acid
answered
Dec 7, 2022
in
Chemistry Form 4
by
0633071XXX
organic chemistry ii
formation of esters
0
votes
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
metals
aluminium
0
votes
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
organic chemistry
0
votes
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
acids
bases and salts
condition and the reagent under the ethanol is converted to ethanoic acid
0
votes
1
answer
Define heat value of a fuel.
answered
Aug 17, 2021
in
Chemistry Form 4
by
anonymous
energy changes in chemical and physical processes
0
votes
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
energy changes in chemical and physical processes
0
votes
1
answer
Distinguish between hydration energy and lattice energy.
answered
Aug 17, 2021
in
Chemistry Form 4
by
anonymous
energy changes in chemical and physical processes
0
votes
1
answer
State Hess’s law.
answered
Aug 17, 2021
in
Chemistry Form 4
by
anonymous
energy changes in chemical and physical processes
0
votes
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
electrochemistry
0
votes
1
answer
Aqueous copper (II) sulphate was electrolysed using the set up below.
answered
Aug 17, 2021
in
Chemistry Form 4
by
anonymous
electrochemistry
0
votes
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
reaction rates and reversible reactions
0
votes
1
answer
When bromine is dissolved in water the equilibrium shown below is established.
answered
Aug 17, 2021
in
Chemistry Form 4
by
anonymous
reaction rates and reversible reactions
0
votes
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
electrochemistry
0
votes
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
electrochemistry
0
votes
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
electrochemistry
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