UPSC CDS/OTA

Mixtures and Compounds

General Studies

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Mixtures and Compounds

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Questions

30

Time

30 min

Marks

30

Solutions

All inline

Q1Consider the following statements about mixtures: 1. A mixture can be homogeneous or heterogeneous. 2. Components in a mixture retain their original properties. 3. Mixtures can be separated by physical methods. Which of the above statements is/are correct?MediumSolve →Q2Which of the following is NOT a compound?MediumSolve →Q3Which method is used to separate a mixture of iron filings and sulphur powder?MediumSolve →Q4Statement: In a compound, the constituents are present in a fixed ratio by mass. Is the statement correct?MediumSolve →Q5Which one of the following is an example of a homogeneous mixture?MediumSolve →Q6Which process is used to separate salt from seawater?MediumSolve →Q7Consider the following statements about compounds: 1. A compound shows properties different from its constituents. 2. Compounds can be separated by physical methods. Which is/are correct?MediumSolve →Q8Which of these is a correct example of a heterogeneous mixture?MediumSolve →Q9Which of these is a pure substanceMediumSolve →Q10Which separation technique is used for dyes in ink? (PYQ inspiredMediumSolve →

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