(a) – Gas cannot be collected by downward delivery as it is lighter than air.
- No gas collected as dilute Nitric acid would oxidize it to water.
b)- Hydrogen brakes the double bonds in liquid oil making it saturated thus solidifies.
sharon kalunda answered the question on May 16, 2019 at 12:11
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Date posted: May 16, 2019. Answers (1)
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Date posted: May 16, 2019. Answers (1)
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answer the questions that follow.
(i) Name Compound P.
(ii) Draw the structural formula of P.
(iii) Name the reagent and type of reaction taking place in process R.
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Date posted: May 16, 2019. Answers (1)
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Date posted: May 16, 2019. Answers (1)
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Date posted: May 16, 2019. Answers (1)
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Date posted: May 16, 2019. Answers (1)
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b) State three conditions required to convert the chemical substance in chamber 3 to
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c) Write balanced equations with conditions where necessary for the reactions that
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Date posted: May 16, 2019. Answers (1)
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a) Write the electronic configuration of
(i) M
(ii) P2+
b) Write the formula of the compound formed when L combines with N
c) How would reactivities of element N and P with chlorine compare? Explain.
d) Element N combines with oxygen to from an oxide. Using dots (.) and crosses(x) to
represent the outermost electrons, show how the two elements combine.
e) Select the most reactive metal and non-metal and give reason for your answer.
f) State one physical and one chemical property that elements J and Q have in common
g) What name is given to the group of elements to which element M belong?
h) (i) Element K consists of two isotopes with relative abundances 75% and 25% and
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(ii) Why is the relative atomic mass of K not a whole number?
Date posted: May 13, 2019. Answers (1)