Displacement Reactions Quiz

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Questions and Answers

A symbol equation is a type of equation used to describe displacement reactions.

True (A)

Gold is more reactive than sodium in the reactivity series.

False (B)

A word equation is used to predict the products of a reaction.

True (A)

Potassium reacting with water is an example of a displacement reaction.

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Flashcards

What is a symbol equation?

A type of chemical equation that uses symbols to represent the reactants and products.

What is a word equation?

A type of chemical equation that uses words to describe the reactants and products.

What is a displacement reaction?

A reaction where a more reactive element displaces a less reactive element from its compound.

What type of reaction is potassium reacting with water?

A reaction where potassium reacts with water to produce potassium hydroxide and hydrogen gas.

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Study Notes

Displacement Reactions

  • A displacement reaction is a type of reaction where a less reactive element in a compound is replaced by a more reactive one.
  • In a displacement reaction, the more reactive element displaces the less reactive element from its compound.
  • The reaction of potassium with water is an example of a vigorous displacement reaction.

Word Equations and Symbol Equations

  • A word equation is used to describe a chemical reaction using words.
  • A symbol equation is different from a word equation and uses chemical symbols and formulas to represent the reactants and products.

Reactivity Series

  • The reactivity series is a list of metals in order of their reactivity.
  • In the reactivity series, sodium is more reactive than gold.

Acids and Alkalis

  • Examples of acids include (students are expected to provide their own examples).
  • Examples of alkalis include (students are expected to provide their own examples).

Uses of Displacement Reactions

  • Displacement reactions have a wide range of uses in science and everyday life.
  • Displacement reactions can be used to predict the products of a reaction.
  • Displacement reactions can be used to describe the reaction of metals with acids.

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