question_answer

   (i) State what are elements? (ii) What are the three main types of elements? (iii) Write a property of each type of elements.

Answer:

                             (i) Filter the mixture. Filtrate will contain mustard oil and water, as sand will be residue. To separate mustard oil and water, take this mixture in separating funnel. On opening the stop cock, water will come out first. Collect the water in beaker. Mustard oil will be left in separating funnel.                            (3) (2)