Types of Mixtures MCQs
Practice Types of Mixtures multiple-choice questions from Is Matter Around Us Pure (Class 9 Science) - tap an answer for instant feedback and a step-by-step solution. Practice the full set free on the RankByte app.
Types of MixturesQuiz - Solve & Score
Q1. Which is a compound, not a mixture?
- A.water (H2O)
- B.air
- C.salt solution
- D.soil
Answer: A. water (H2O)
Asked for the unknown; data is laid out in the stem. By hence the answer = water (H2O). hence the answer = water (H2O). classify the listed substance as element / compound / homogeneous mixture / heterogeneous mixture by its composition. So option A) water (H2O). Others fail: option B) 'air' is incorrect: Air is a mixture of gases, not a compound; option C) 'salt solution' fails since A salt solution is a mixture, not a compound.
Q2. Which statement correctly distinguishes an element from a compound?
- A.an element cannot be broken into simpler substances; a compound can be split into elements
- B.an element is made of two or more compounds
- C.a compound cannot be decomposed at all
- D.elements and compounds are the same thing
Answer: A. an element cannot be broken into simpler substances; a compound can be split into elements
Q3. Which set lists only PURE substances?
- A.oxygen, water, iron
- B.air, salt water, brass
- C.soil, milk, sea water
- D.smoke, fog, muddy water
Answer: A. oxygen, water, iron
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