UPSC CDS/OTA
Separation Methods of Mixtures
General Studies
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Separation Methods of Mixtures

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Questions
30
Time
30 min
Marks
30
Solutions
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Q1Consider the following statements regarding separation methods: 1. Sieving is used to separate particles of different sizes. 2. Magnetic separation is suitable for separating non-magnetic substances from magnetic ones. Which of the statements given above is/are correct?MediumSolve →Q2Which one of the following techniques is most appropriate for separating a mixture of iron filings and sulphur powder?MediumSolve →Q3Which separation method is used in dairies to separate cream from milk?MediumSolve →Q4Statement: Evaporation can be used to obtain salt from seawater. Which one of the following explains why?MediumSolve →Q5Which of the following mixtures can be separated by sublimation? 1. Ammonium chloride and salt 2. Camphor and sand 3. Iron filings and sulphur Select the correct answer using the code below:MediumSolve →Q6In the separation of a sand-salt mixture, the first step is:MediumSolve →Q7What is the principle behind chromatography?MediumSolve →Q8Which method would you use to separate kerosene from water?MediumSolve →Q9The process used to purify water by removing dissolved salts is:MediumSolve →Q10Winnowing is based on which property?MediumSolve →
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