human
What type of reaction is Mg + 2HCl --> MgCl2 + H2?
gpt
Single Replacement
Explanation: A single replacement reaction occurs when one element replaces another element in a compound. In this reaction, magnesium (Mg) replaces hydrogen (H) in hydrochloric acid (HCl) to form magnesium chloride (MgCl2) and hydrogen gas (H2).