1.The ______is a mixture may be present in any ratio or proportion.2. The process of pouring the clear supernatant liquid without disturbing the sediment is called__________.Group : B ( Tick the most appropriate answer)(1 x 2=2)3.Which of the following is a correct statement for a compound :A compound has a definite composition / A compound does not have fixed melting and boiling points.4. By which of the following Method can common salt be obtained from seawater :- Filtration/ evaporationGroup C : Write True or False. If false then correct the statement (1 x2=2)5. sieving is a better method of separating Bran and wheat flour than winnowing6. Common salt sublimation on heating whereas ammonium chloride does notGroup D ( Answer the following question ) (2x4=8)7. What do you mean by refining?8. State two characteristics of a pure substance9. What do you mean by solvent and solution10. Give two example of sublime substance other than camphor or iodine​