Lesson 5.2.2.2
5.2.2.2 State symbols Quiz: AQA Combined Science, Unit 9
20 questions
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Lesson 5.2.2.2, State symbols: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 9: Bonding, structure, and the properties of matter, written with Revision Ninja.
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The 20 questions
-
The state symbol for a solid is:
- (s)
- (aq)
- (l)
- (g)
-
The state symbol for a gas is:
- (g)
- (l)
- (aq)
- (s)
-
The state symbol for a substance dissolved in water is:
- (g)
- (l)
- (aq)
- (s)
-
The state symbol for a liquid is:
- (aq)
- (g)
- (s)
- (l)
-
What do state symbols in chemical equations represent?
- Physical state
- Reaction speed
- Catalyst presence
- Temperature value
-
Which equation has correct state symbols for sodium and water?
- Na(s) + 2H₂O(l) → 2NaOH(aq) + H₂(g)
- Na(aq) + 2H₂O(s) → NaOH(g) + H₂(l)
- Na(l) + H₂O(l) → NaOH(aq) + H₂(g)
- Na(s) + H₂O(g) → NaOH(aq) + H₂(g)
-
Where are state symbols written in a chemical equation?
- Before each formula
- After each formula
- Above the arrow
- Below the equation
-
Which state symbols appear in the equation for solid calcium reacting with water?
- (s), (s), (l) and (g)
- (s), (l), (aq) and (g)
- (l), (l), (s) and (g)
- (s), (g), (aq) and (aq)
-
Solid calcium reacts with water to give calcium hydroxide solution and hydrogen gas. Which equation is correct?
- Ca(s) + 2H₂O(g) → Ca(OH)₂(l) + H₂(s)
- Ca(s) + 2H₂O(l) → Ca(OH)₂(aq) + H₂(g)
- Ca(l) + 2H₂O(l) → Ca(OH)₂(s) + H₂(g)
- Ca(s) + H₂O(aq) → CaOH(aq) + H₂(l)
-
Silver nitrate solution reacts with sodium chloride solution to form a solid precipitate of silver chloride. Its state symbol is:
- (aq)
- (s)
- (g)
- (l)
-
The state symbol for water vapour in an equation is:
- (s)
- (aq)
- (l)
- (g)
-
In CO₂(g) + H₂O(l) → H₂CO₃(aq), what is the state symbol for carbonic acid?
- (s)
- (l)
- (aq)
- (g)
-
Which is the correct way to write liquid water in an equation?
- H₂O(c)
- H₂O(s)
- H₂O(g)
- H₂O(l)
-
Which equation is correctly written for magnesium burning in oxygen?
- 2Mg(s) + O₂(g) → 2MgO(s)
- Mg(s) + O(g) → MgO(aq)
- 2Mg(aq) + O₂(l) → 2MgO(g)
- 2Mg(l) + O₂(g) → 2MgO(l)
-
What do state symbols indicate in a chemical equation?
- Total mass
- Reaction speed
- Colour changes
- Physical states
-
Which state symbol represents an aqueous solution?
- (l)
- (g)
- (aq)
- (s)
-
What does the state symbol (aq) signify?
- Dissolved in water
- Pure liquid
- Solid precipitate
- Aqueous gas
-
What state symbol is missing from carbon dioxide in the equation C(s) + O₂(g) → CO₂(s)?
- (aq)
- (l)
- (s)
- (g)
-
In NaOH(aq) + HCl(aq) → NaCl(aq) + H₂O(l), which product is the only liquid?
- Hydrogen chloride
- Water
- Sodium chloride
- Sodium hydroxide
-
Which equation for burning methane is balanced and correctly labelled?
- CH₄(l) + 2O₂(g) → CO₂(s) + 2H₂O(l)
- CH₄(g) + O₂(g) → CO₂(g) + H₂O(g)
- CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(s)
- CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(l)
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