General Science - Physics (Basics)
Which of the following represents a combination reaction?
Which of the following represents a combination reaction?
easy Q11 of 15
Step-by-Step Solution
Step 1: Identify the concept
The question tests knowledge of combination reactions where two or more reactants form a single product.Step 2: Apply the concept
Option with 2H₂ + O₂ → 2H₂O shows two reactants combining to form one product, which is a combination reaction. Other options represent decomposition, displacement, or double displacement reactions.Final Answer:
2H₂ + O₂ → 2H₂O → Option DQuick Check:
Chemical reaction type = combination ✅
Quick Trick: Combination reactions have multiple reactants and one product.
Common Mistakes:
- Confusing combination with displacement or double displacement reactions.
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