Double Displacement Reactions
Explore double displacement reactions, their characteristics, and how to identify products in chemical equations for Grade 6 science.
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Double Displacement Reactions
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Read each question carefully and answer to the best of your ability. For multiple-choice questions, circle the correct letter. For fill-in-the-blank questions, write your answer on the line provided.
In a double displacement reaction, parts of two ionic compounds trade places to form two new compounds. This often results in the formation of a precipitate (a solid that separates from the solution), a gas, or water.
1. What happens to the ions in a double displacement reaction?
They combine to form one new compound.
They switch partners to form two new compounds.
They disappear completely.
They remain unchanged.
2. Which of the following is often a sign that a double displacement reaction has occurred?
A change in temperature only.
Formation of a new color.
Formation of a precipitate, gas, or water.
The original substances remain the same.
3. In a double displacement reaction, two ionic compounds parts to form two new compounds.
4. A solid that separates from a solution during a chemical reaction is called a .
5. When an acid reacts with a base in a double displacement reaction, and a salt are usually formed.
6. Describe in your own words what happens during a double displacement reaction.
7. All double displacement reactions produce a gas.
True
False
8. Double displacement reactions involve a single compound breaking down into simpler substances.
True
False
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