Chemistry

Test Your Chemistry Knowledge

Welcome to our engaging chemistry quiz! Test your understanding of various chemical concepts and reactions.

With 7 thought-provoking questions, you can:

Explore the reactivity series.
Learn about metal alloys.
Understand environmental pollutants.
Discover the chemistry behind common substances.

7 Questions2 MinutesCreated by ExploringAtom57

The metal beryllium does not react with cold water. It reacts with hydrochloric acid but cannot be extracted from its ore by using carbon. Where is beryllium placed in the reactivity series?

Magnesium

Zinc

Iron

Copper

Pure iron is a soft metal. When mixed with small amounts of tungsten it produces a hard alloy called tungsten steel. Which statements are correct? 1 Pure iron is a transition element. 2 The particles in pure iron are arranged in ordered layers. 3 Tungsten steel is a compound.

1, 2 and 3

1 and 2 only

1 only

2&3

Four equations are shown. 1 C + O2  CO2 2 CaCO3  CaO + CO2 3 SiO2 + 2CO  Si + 2CO2 4 Fe2O3 + 3CO  2Fe + 3CO2 Which equations represent reactions that take place during the extraction of iron from hematite?

1, 2 and 3

1, 2 and 4

2, 3 and 4

3 and 4 only

Which pollutants are responsible for the erosion of buildings and statues? 1 carbon monoxide 2 oxides of nitrogen 3 sulfur dioxide

1, 2 and 3

1 and 2 only

2 and 3 only

3 only

X is produced when petrol burns completely in air. What is X?

Argon

Carbon dioxide

carbon monoxide

hydrogen

Copper is used to make saucepans. Which properties of copper make it suitable for this use? 1 Copper has a relatively high melting point. 2 Copper has a low density. 3 Copper is a good conductor of electricity. 4 Copper is a good conductor of heat

1 and 2 B 1 and 4 C 2 and 4 D 3 and 4

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