Quiz Week 8 IGCSE 24 25

Two gas jars are set up as shown.

• A

• B

• C

• D

Which piece of apparatus is used to measure variable quantities of liquid in a titration?

• A

• B

• C

• D

Which structure represents the sodium chloride lattice?

• A

• B

• C

• D

Magnesium nitride is formed when magnesium burns in air. Magnesium nitride is an ionic

compound.
What is the formula of magnesium nitride?

• A

• B

• C

• D

10. The electrolysis of concentrated hydrochloric acid is shown.
    

• A

• B

• C

• D

10. Which reaction does not occur in the extraction of aluminium?

• A

• B

• C

• D

10. Which substance could not be used as a fuel to heat water in a boiler?

• A

• B

• C

• D

10. An element does not conduct electricity and exists as diatomic molecules.

    Where in the Periodic Table is the element found?

• A

• B

• C

• D

10. Which compounds are alkanes?
    A W and X

11. B W and Z

12. C X and Y

13. D Y and Z

• A

• B

• C

• D

10. Which words correctly complete gaps 1–4?

• A

• B

• C

• D