General Science - Physics (Basics)
Which of the following is a compound?
Which of the following is a compound?
easy Q2 of 15
Step-by-Step Solution
Step 1: Recall definition of a compound
A compound is a substance formed by chemical combination of two or more elements in fixed ratio.Step 2: Analyze options
Carbon dioxide (CO₂) consists of carbon and oxygen chemically bonded in fixed ratio, so it is a compound. Hydrogen, nitrogen, and neon gases are elements.Final Answer:
Carbon dioxide (CO₂) → Option CQuick Check:
Compound example = Carbon dioxide (CO₂) ✅
Quick Trick: Compounds have fixed chemical formulas.
Common Mistakes:
- Mistaking diatomic elements as compounds.
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