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Cambridge IGCSE Chemistry - 0620 - Supplement Paper 4 2019 Summer Zone 2
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Topic: CH17 - ORGANIC CHEMISTRY
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CH17 - ORGANIC CHEMISTRY
The industrial fractional distillation of petroleum is shown.Which process happens at Y?
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CH17 - ORGANIC CHEMISTRY
Which statement about homologous series is not correct?
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CH17 - ORGANIC CHEMISTRY
The diagram shows the separation of petroleum into fractions.What could X, Y and Z represent?
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CH17 - ORGANIC CHEMISTRY
Which compound is \textit{not} an alkane, $C_nH_{2n+2}$?
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CH17 - ORGANIC CHEMISTRY
An ester is formed when a carboxylic acid reacts with an alcohol. Which ester is formed when propanoic acid and ethanol react?
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CH17 - ORGANIC CHEMISTRY
Ethanol is manufactured by fermentation or by the catalytic addition of steam to ethene.What is an advantage of ethanol manufacture by fermentation in...
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CH17 - ORGANIC CHEMISTRY
What is an advantage of producing ethanol by fermentation of sugar compared to the catalytic addition of steam to ethene?
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CH17 - ORGANIC CHEMISTRY
The formula of an ester is $\text{CH}_3\text{CH}_2\text{CH}_2\text{COOCH}_2\text{CH}_2\text{CH}_3$.Which acid and alcohol react together to make the e...
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CH17 - ORGANIC CHEMISTRY
The structures of four organic compounds are shown. Which compounds are unsaturated?
Winter
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CH17 - ORGANIC CHEMISTRY
Petroleum is separated into fractions.Which statement is not correct?
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More Questions from year 2019
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CH1 - STATES OF MATTER
Which statement explains why ammonia gas, $\text{NH}_3$, diffuses at a faster rate than hydrogen chloride gas, $\text{HCl}$?
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CH2 - SEPARATING SUBSTANCES
2.00 g of powdered calcium carbonate is added to 50.0 cm$^3$ of hydrochloric acid. Which apparatus is used to measure the calcium carbonate and the h...
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CH2 - SEPARATING SUBSTANCES
The measurements from a chromatography experiment using substance F are shown. The diagram is not drawn to scale.What is the $R_f$ value of F?
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CH3 - ATOMS AND ELEMENTS
Which statement about an atom of fluorine, $^{19}_{9}\text{F}$, is correct?
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CH4 - ATOMS COMBINING
Which row describes the formation of single covalent bonds in methane?
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CH4 - ATOMS COMBINING
Which statement describes the structure of an ionic compound?
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CH5 - REACTING MASSES AND CHEMICAL EQUATIONS
Propane burns in oxygen. $\text{C}_3\text{H}_8 + x\text{O}_2 \rightarrow 3\text{CO}_2 + y\text{H}_2\text{O}$Which values of $x$ and $y$ balance the eq...
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CH5 - REACTING MASSES AND CHEMICAL EQUATIONS
A tablet contains 0.080g of ascorbic acid ($M_r = 176$).What is the concentration of ascorbic acid when one tablet is dissolved in 200 cm$^3$ of water...
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CH1 - STATES OF MATTER
Which statement about the electrolysis of copper(II) sulfate solution using carbon electrodes is correct?
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CH1 - STATES OF MATTER
Aluminium metal is extracted from aluminium oxide by electrolysis. Which ionic half-equation describes a reaction that occurs at the named electrode?...
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