Hamza Bin Abdul Muttalib Ind. Prep. School Science Department Worksheet No. ( Grade ( 12 ) ) Separation methods / distillation True/False Questions 1. Think carefully about the following statements. Are they true or false? Circle your answer. a. In filtration, the filtrate is always a pure liquid. True/False b. Drinking water can only be obtained from seawater by True/False distillation. c. The fractional distillation of miscible liquids is only possible if True/False the liquids have different boiling points. d. Paper chromatography is a physcial method for separating True/False mixtures. e. Mixtures have fixed melting and boiling points. True/False 2. Name the techniques which are suitable for separating the following mixture: a. Situation To obtain drinking water from muddy water b. To separate petrol from crude oil c. To remove leaves from a swimming pool d. To obtain pure sugar from a solution e. To determine whether the colouring in a fruit Separation Technique juice is a single sunstance or a mixture of coloured substance f. To separate sodium chloride from water g. To produce dray milk from milk H . To obtain pure honey from the beehive OUR VISION: Preparing thinker innovated learned students in a secure environment descent to their homeland and magnanimous Islamic values. Hamza Bin Abdul Muttalib Ind. Prep. School Science Department Worksheet No. ( Grade ( 12 ) ) 3. The following diagram shows a set up of simple distillation. a. Complete the missing letters in the words . i_____ w____ A ………………. ____ w____ B ………………. _________________________________________________________________________ b. What would be the temperature on the thermometer ? ……………………………………………… c. Where would you place the impure water in the apparatus ? ………………………………………………….. d. Where would you get the pure water collecting? ……………………………………………… OUR VISION: Preparing thinker innovated learned students in a secure environment descent to their homeland and magnanimous Islamic values. Hamza Bin Abdul Muttalib Ind. Prep. School Science Department Worksheet No. ( Grade ( 12 ) ) 4. The following diagram shows a set up of frictional distillation. t________ __ W____ O__ C_ _ _ _ _ _ _ _ F____________ C_____ W____ i_ A______/_____ M______ H___ complete the missing words from the following things: 1- condenser 2- thermometer 3- alcohol 4- water in 5- alcohol /water mixture 7 -fractionating column 6- water out 8- Heat OUR VISION: Preparing thinker innovated learned students in a secure environment descent to their homeland and magnanimous Islamic values.