Identify and describe four types of chemical reaction: combustion (burning in oxygen), oxidation (gain of oxygen), thermal decomposition (breaking down by heat), and displacement (more reactive metal replaces less reactive one)
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Question 1 of 3
Which of the following is a characteristic property of an acid?
Question 2 of 3
A student mixes 20 mL of 0.5 M HCl with 30 mL of 0.2 M NaOH in a test tube. After the reaction is complete, what is the pH of the resulting solution?
Question 3 of 3
The reaction Fe + CuSO₄ → FeSO₄ + Cu is observed in the laboratory. Which of the following statements correctly describes the type of reaction shown and the reason it occurs?
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