Chemistry 5070/21 — May/June 2021

Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme

questions

marks

minutes

Topics Stoichiometry · Chemical Reactions · Atoms, Elements and Compounds · Acids, Bases and Salts · Organic Chemistry · Chemistry of the Environment · +5 more

Q16MOrganic ChemistryFree sample

Choose from the following compounds to answer the questions.

Fig. 1.1

Each compound may be used once, more than once or not at all.

(a)

State which compound:

(i)

has a molecule with only 14 atoms

______

(ii)

can be oxidised to form propanoic acid

______

(iii)

is an isomer of butane

______

(iv)

reacts with steam to make an alcohol

______

(v)

can be polymerised to make a polyester.

______

(b)

State which two compounds in aqueous solution turn blue litmus red.

______

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8 more questions

Q2Chemistry of the Environment · The Periodic Table · Atoms, Elements and Compounds · Stoichiometry · States of Matter12M
Q3Organic Chemistry10M
Q4Atoms, Elements and Compounds · The Periodic Table · Chemical Reactions · Metals8M
Q5Stoichiometry · Chemistry of the Environment · Chemical Reactions · Acids, Bases and Salts · Metals9M
Q6Chemistry of the Environment · Atoms, Elements and Compounds · Stoichiometry · Chemical Reactions · Acids, Bases and Salts10M
Q7Stoichiometry · Chemical Reactions · Acids, Bases and Salts10M
Q8Atoms, Elements and Compounds · The Periodic Table · Acids, Bases and Salts · Electrochemistry · Experimental Techniques and Chemical Analysis10M
Q9Organic Chemistry · Chemical Reactions · Stoichiometry10M

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