Podcast
Questions and Answers
Which type of chemical reaction is illustrated in the formation of slaked lime by the reaction of calcium oxide with water?
Which type of chemical reaction is illustrated in the formation of slaked lime by the reaction of calcium oxide with water?
- Decomposition reaction
- Double displacement reaction
- Combination reaction (correct)
- Single replacement reaction
In the reaction of barium chloride and sodium sulphate to form barium sulphate and sodium chloride, what type of reaction occurs?
In the reaction of barium chloride and sodium sulphate to form barium sulphate and sodium chloride, what type of reaction occurs?
- Acid-base reaction
- Combustion reaction
- Redox reaction
- Precipitation reaction (correct)
When sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride and water, what type of reaction takes place?
When sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride and water, what type of reaction takes place?
- Precipitation reaction
- Neutralization reaction (correct)
- Combination reaction
- Oxidation-reduction reaction
Which type of reaction does the equation 'Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)' represent?
Which type of reaction does the equation 'Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)' represent?
What type of reaction is represented by the equation 'Zinc carbonate(s) → Zinc oxide(s) + Carbon dioxide(g)'?
What type of reaction is represented by the equation 'Zinc carbonate(s) → Zinc oxide(s) + Carbon dioxide(g)'?
Why are decomposition reactions considered the opposite of combination reactions?
Why are decomposition reactions considered the opposite of combination reactions?
What type of reaction occurs in the refining of silver when copper metal displaces silver from silver nitrate solution?
What type of reaction occurs in the refining of silver when copper metal displaces silver from silver nitrate solution?
Study Notes
Chemical Reactions
- The reaction of calcium oxide with water to form slaked lime is an example of a neutralization reaction.
Precipitation Reactions
- The reaction of barium chloride and sodium sulphate to form barium sulphate and sodium chloride is an example of a precipitation reaction.
- The equation 'Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)' represents a precipitation reaction.
Neutralization Reactions
- The reaction of sodium hydroxide solution with hydrochloric acid solution to produce sodium chloride and water is an example of a neutralization reaction.
Decomposition Reactions
- The equation 'Zinc carbonate(s) → Zinc oxide(s) + Carbon dioxide(g)' represents a decomposition reaction.
- Decomposition reactions are considered the opposite of combination reactions because in decomposition reactions, a single compound breaks down into two or more simpler substances, whereas in combination reactions, two or more substances combine to form a single compound.
Displacement Reactions
- The reaction in the refining of silver, where copper metal displaces silver from silver nitrate solution, is an example of a displacement reaction.
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Description
Test your knowledge on writing balanced chemical equations with state symbols for different reactions. Practice balancing reactions involving barium chloride, sodium sulphate, barium sulphate, sodium chloride, sodium hydroxide, hydrochloric acid, sodium chloride, and water.
