Podcast
Questions and Answers
What type of reaction occurs when an element displaces another element from its compound?
What type of reaction occurs when an element displaces another element from its compound?
- Displacement reaction (correct)
- Exothermic reaction
- Decomposition reaction
- Combination reaction
Which of the following best describes a double displacement reaction?
Which of the following best describes a double displacement reaction?
- Two substances combine to form a single substance
- Energy is absorbed
- A single substance decomposes to give two or more substances
- Two different atoms are exchanged (correct)
In a precipitation reaction, what is produced?
In a precipitation reaction, what is produced?
- Insoluble salts (correct)
- Acids
- Gases
- Soluble salts
What is the defining characteristic of an exothermic reaction?
What is the defining characteristic of an exothermic reaction?
What happens in a displacement reaction?
What happens in a displacement reaction?
Which process involves the gain of oxygen or loss of hydrogen?
Which process involves the gain of oxygen or loss of hydrogen?
Which type of reaction involves the exchange of ions to form products?
Which type of reaction involves the exchange of ions to form products?
In a displacement reaction, a more reactive element displaces a less reactive element from its compound. Which statement best explains why this occurs?
In a displacement reaction, a more reactive element displaces a less reactive element from its compound. Which statement best explains why this occurs?
Which of the following reactions is an example of a displacement reaction?
Which of the following reactions is an example of a displacement reaction?
Which of the following reactions involve the release of energy in the form of heat and light during the reaction?
Which of the following reactions involve the release of energy in the form of heat and light during the reaction?
What type of reaction occurs when two compounds exchange ions to form new compounds?
What type of reaction occurs when two compounds exchange ions to form new compounds?
In a displacement reaction, why does the more reactive element displace the less reactive one from a compound?
In a displacement reaction, why does the more reactive element displace the less reactive one from a compound?
In the reaction 2PbO(s) + C(s) → 2Pb(s) + CO2(g), which of the following statements is incorrect?
In the reaction 2PbO(s) + C(s) → 2Pb(s) + CO2(g), which of the following statements is incorrect?
What type of reaction is represented by the equation Fe2O3 + 2Al → Al2O3 + 2Fe?
What type of reaction is represented by the equation Fe2O3 + 2Al → Al2O3 + 2Fe?
When dilute hydrochloric acid is added to iron fillings, what is the correct outcome?
When dilute hydrochloric acid is added to iron fillings, what is the correct outcome?
What is the purpose of balancing a chemical equation?
What is the purpose of balancing a chemical equation?
Translate 'Hydrogen gas combines with nitrogen to form ammonia' into a balanced chemical equation.
Translate 'Hydrogen gas combines with nitrogen to form ammonia' into a balanced chemical equation.
Balance the chemical equation NaCl + AgNO3 → AgCl + NaNO3
Balance the chemical equation NaCl + AgNO3 → AgCl + NaNO3
