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Questions and Answers
Which type of reaction involves the gain of oxygen or loss of hydrogen?
What kind of reaction produces insoluble salts?
In which type of reaction do two or more substances combine to form a new single substance?
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?
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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?
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Which reaction involves the loss of oxygen or gain of hydrogen?
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What is a common feature of endothermic reactions?
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Which type of reaction results in the gain of oxygen?
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