3. Metal and non-metal objects can be separated by using a A. filter B. magnet C. sieve D. winnow

4. How will you separate needle and paper clips from sawdust? A. by decantation B. by evaporation C. by winnowing D. by using a magnet

5. The following mixture of materials can be separated by a magnet. EXCEPT A. flour and pins B. nails in sand C. water and sugar D. needle and talc powder​