i) Step I – hydrogen
Step II – Hydrogen chloride
Step IV – Sodalime
ii) 2CH = CH(g) + O2(g)------->4CO2(g) + 2H2O(l)
iii)- A fuel
- Manufacture of methanol
- Manufacture of methanol
maurice.mutuku answered the question on October 22, 2019 at 06:16
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(i) Name the type of polymer that is formed when ethane polymerise
(ii) Describe a...(Solved)
Ethene is used in making polyethene bag in a process called polymerization
(i) Name the type of polymer that is formed when ethane polymerise
(ii) Describe a simple chemical test that can be used to identify ethane gas in the laboratory
Date posted: October 22, 2019. Answers (1)
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(i) CH3CH2CH3
(ii) CH3CCCH3(Solved)
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(i) Acidified potassium dichromate (VI) solution
(ii) Potassium metal(Solved)
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(i) Acidified potassium dichromate (VI) solution
(ii) Potassium metal
Date posted: October 22, 2019. Answers (1)
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Date posted: October 22, 2019. Answers (1)
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(i) Name another source of hydrogen apart from electrolysis of water
(ii) What conditions are necessary for step III to occur?
(iii) Write the equation for the formation of colourless gas Q
Date posted: October 22, 2019. Answers (1)
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(i) Identify substance and F and N
(ii) Name the process represented above?
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Date posted: October 18, 2019. Answers (1)
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CH3COOCH3 + H2O
(ii) What type of reaction is occurring above(Solved)
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CH3COOCH3 + H2O
(ii) What type of reaction is occurring above
Date posted: October 18, 2019. Answers (1)
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The set-up below was used to prepare ethyne gas
(i) Identify solid E
(ii) Complete the diagram to show how the gas can be collected
(iii) Write an equation to show how the gas is formed
(iv) Complete the equation below: )
C2H2 + 2I2---------------->
(v) What is the role of sand in the experiment?
Date posted: October 18, 2019. Answers (1)
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The diagram below represents a large-scale fractional distillation plant used to separate the components A, B, C and D in a mixture
The components have the following average relative molecular masses not necessarily in that
order; 282, 184, 44 and 128.
(i) What is the physical state of B at the position marked Q?
(ii) Which component has an average relative molecular mass of 128? Explain
(iii) State with a reason whether C is pure or impure
(iv) Explain how the mixture is separated into its components
(v) Name two naturally occurring mixtures that are separated using this process
Date posted: October 18, 2019. Answers (1)
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(ii) CH3OH(Solved)
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(i) 3-chlorohex-l-yne
(ii) CH3OH
Date posted: October 18, 2019. Answers (1)
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10cm3 of methane (CH4) gas is exploded with 150cm3 of air containing 20% oxygen and 80% nitrogen. The products were allowed to cool to room temperature. What will be the total volume of the gases at the end of the reaction?
Date posted: October 17, 2019. Answers (1)
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Name the type of polymerisation undergone by ethene in the reaction above
Date posted: October 17, 2019. Answers (1)
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Date posted: October 17, 2019. Answers (1)
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Name reagent and condition necessary for the reaction above to occur(Solved)
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Name reagent and condition necessary for the reaction above to occur
Date posted: October 17, 2019. Answers (1)
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a) Why is cracking necessary?
b) State the...(Solved)
In petrol chemical industries, long chain alkanes are broken down in to simpler substances in a process called cracking
a) Why is cracking necessary?
b) State the two conditions required in cracking
c) Draw the structure of 1-chloro-2, 2-dimethylpropane
Date posted: October 17, 2019. Answers (1)
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But-z-ene undergoes hydrogenation according to the equation given below
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Name the product formed when but-z-ene reacts with hydrogen gas
Date posted: October 17, 2019. Answers (1)
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Use the flow chart below to answer the questions that follow:
(a) What observation would be made in process K?
(b) Name another conditions necessary for process J to take place
(c) Give the name of substance V
Date posted: October 17, 2019. Answers (1)
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During welding of cracked railway lines by thermite 12.0g of oxide of iron is reduced by aluminium to 8.40g of iron. Determine the empirical formula of the oxide(Fe= 56.0, O= 16.0)
Date posted: October 17, 2019. Answers (1)