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Which of the following statements is CORRECT about compounds?

medium Q5 of 15
General Science - Physics (Basics)
Which of the following statements is CORRECT about compounds?
AThey have fixed melting points
BThey have variable composition
CThey can be separated by physical methods
DThey retain properties of constituent elements
Step-by-Step Solution
  1. Step 1: Recall properties of compounds

    Compounds have fixed composition and unique properties different from their elements.
  2. Step 2: Analyze options

    Compounds cannot be separated by physical methods, have fixed melting points, and do not retain properties of constituent elements.
  3. Final Answer:

    They have fixed melting points → Option A
  4. Quick Check:

    Compound property = Fixed melting points ✅
Quick Trick: Compounds have fixed physical properties like melting point.
Common Mistakes:
MISTAKES
  • Assuming compounds can be separated physically or have variable composition.
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