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Questions and Answers
Which type of reaction involves the gain of oxygen or loss of hydrogen?
Which type of reaction involves the gain of oxygen or loss of hydrogen?
- Double displacement reaction
- Combination reaction
- Decomposition reaction
- Oxidation (correct)
What kind of reaction produces insoluble salts?
What kind of reaction produces insoluble salts?
- Precipitation reaction (correct)
- Exothermic reaction
- Displacement reaction
- Endothermic reaction
In which type of reaction do two or more substances combine to form a new single substance?
In which type of reaction do two or more substances combine to form a new single substance?
- Decomposition reaction
- Combination reaction (correct)
- Double displacement reaction
- Exothermic reaction
What is the opposite of a combination reaction?
What is the opposite of a combination reaction?
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Which type of reaction involves exchanging two different atoms or groups of atoms?
Which type of reaction involves exchanging two different atoms or groups of atoms?
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What is the main feature of exothermic reactions?
What is the main feature of exothermic reactions?
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In the reaction 4Na(s) + O2(g) → 2Na2O(s), which substance is oxidized?
In the reaction 4Na(s) + O2(g) → 2Na2O(s), which substance is oxidized?
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Which reaction involves the loss of oxygen or gain of hydrogen?
Which reaction involves the loss of oxygen or gain of hydrogen?
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What is a common feature of endothermic reactions?
What is a common feature of endothermic reactions?
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Which type of reaction results in the gain of oxygen?
Which type of reaction results in the gain of oxygen?
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