IGCSE CHEMISTRY SOLVED past paper 0620/41/O/N/22 - October / November 2022 Paper 41

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This video solves and explains Cambridge IGCSE Chemistry paper 41 October / November 2022.

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Intro: (00:00)
Question1: (00:10)
The names of the elements of Period 2 of the Periodic Table are shown.
lithium beryllium boron carbon nitrogen oxygen fluorine neon
Answer the following questions about these elements.
Each element may be used once, more than once or not at all.
Identify the element which:
(a) is a product of photosynthesis

Question2: (02:54)
Potassium is a Group I element.
(a) Name and describe the bonding in potassium.
name

Question3: (11:19)
Ammonia is made in an industrial process starting with nitrogen. The equation for the reaction is
shown.
N2 + 3H2 2NH3
(a) Name the industrial process used to make ammonia.

Question4: (15:13)
A student prepares calcium nitrate, Ca(NO3)2, by adding calcium carbonate to dilute nitric acid.
(a) Write the chemical equation for this reaction.

Question5: (20:41)
Ethene is an alkene which reacts with bromine as shown in the equation.
C2H4 + Br2 → C2H4Br2
(a) Write the general formula of alkenes.

Question6: (24:20)
Ester Y has the structure shown
(a) (i) Name ester Y
(ii) Deduce the empirical formula of ester Y.

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