6th Class Science Separation of Substances Question Bank Sepration and Substances

  • question_answer
    DIRECTIONS: Read the following three statements carefully and choose the correct option. (i) The process of evaporation is used to separate tea leaves from prepared tea. (ii) To separate the components of a mixture of salt and sand we use the process of distillation. (iii) The process of winnowing is used to separate wheat grains from husk.

    A) Statements (i) and (iii) are incorrect but (ii) is correct.

    B) Statements (i) and (ii) are incorrect but (iii) is correct.

    C) All statements are correct.

    D) All statements are incorrect.

    Correct Answer: B

    Solution :

        Mixture of salt and sand cannot be separated by distillation method. Distillation is used for the separation of pure liquid from a solution. Mixture of sand and salt can be separated by sedimentation-decantation method by dissolving in water or by filtration process followed by evaporation.


You need to login to perform this action.
You will be redirected in 3 sec spinner