IGCSE Chemistry Extended 6.1 Physical and chemical changes Topic Practice

CAIE IGCSE Chemistry Extended 6.1 Physical and chemical changes question practice helps you revise this syllabus point with the course map in view. Use this page to focus on one topic, check the style of questions available, and connect each attempt back to the knowledge area it is testing.

EduNinja keeps Chemistry practice aligned to CAIE at Extended level, so you can move from topic review into exam-style question bank work without losing the syllabus structure. Start with a small set, mark the weak steps, then return to nearby topic links when a definition, graph, calculation, or explanation needs repair.

6.1.1—Physical and chemical changes, and

[Maximum number: 1]

Element X can undergo the following physical changes.

Explain why the changes shown are physical changes.

[Maximum number: 1]

Which equation represents a chemical change?

$\mathrm{BaCl}_{2}(\mathrm{~s}) \rightarrow \mathrm{BaCl}_{2}(\mathrm{I})$

$\mathrm{Ca}^{2+}(\mathrm{aq})+\mathrm{SO}_{4}{ }^{2-}(\mathrm{aq}) \rightarrow \mathrm{CaSO}_{4}(\mathrm{~s})$

$\mathrm{KCl}(\mathrm{s})+\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{K}^{+}(\mathrm{aq})+\mathrm{Cl}^{-}(\mathrm{aq})$

$\mathrm{Na}^{+}(\mathrm{aq})+\mathrm{NO}_{3}{ }^{-}(\mathrm{aq}) \rightarrow \mathrm{NaNO}_{3}(\mathrm{aq})$

[Maximum number: 1]

Which row identifies a chemical change and a physical change?

chemical change

physical change

boiling ethanol

burning ethanol

evaporating ethanol

dissolving ethanol in water

burning ethanol

evaporating ethanol

dissolving ethanol in water

[Maximum number: 1]

Which row identifies a chemical change and a physical change?

chemical change

physical change

boiling ethanol

burning ethanol

evaporating ethanol

dissolving ethanol in water

burning ethanol

evaporating ethanol

dissolving ethanol in water

[Maximum number: 1]

Which row identifies a chemical change and a physical change?

chemical change

physical change

boiling ethanol

burning ethanol

evaporating ethanol

dissolving ethanol in water

burning ethanol

evaporating ethanol

dissolving ethanol in water

[Maximum number: 1]

Which process involves a chemical change?

adding sodium to water

boiling water

dissolving sodium chloride in water

producing water from aqueous sodium chloride

[Maximum number: 1]

Which changes are physical changes?

1 melting ice to form water

2 burning hydrogen to form water
3 adding sodium to water
4 boiling water to form steam

1 and 2

1 and 4

2 and 3

3 and 4

[Maximum number: 1]

When sulfur is heated it undergoes a 1 change as it melts. Further heating causes the sulfur to undergo a 2 change and form sulfur dioxide. Which words complete gaps 1 and 2?

chemical

physical

chemical

physical