Science 6 Summative Test #4 Q1

 

Science Summative Test #4 Q1

Quiz

  

 

1. It is used to separate particulates from a
   liquid by allowing the solids to settle to the
   bottom of the mixture.
   
   1.   decantation
   2.   evaporation
   3.   filtration
   4.   sieving
2. A method in which two or more components
   of different sizes are separated from a mixture on the
   basis of the difference in their sizes.
   
   1.   decantation
   2.   evaporation
   3.   filtration
   4.   sieving
3. It is done by passing a suspension through a filter
   paper retains the solid components of the mixture.
   
   1.   decantation
   2.   filtration
   3.   sieving
   4.   using a magnet
4. It is applying heat to cause the liquid in a mixture to
   evaporate leaving the other component/substance behind.
   
   1.   decantation
   2.   evaporation
   3.   filtration
   4.   using a magnet
5. It is the separation that involves the use of tools to
   separate metal solids mixed together.
   
   1.   decantation
   2.   evaporation
   3.   filtration
   4.   using a magnet
6. The insoluble substance from a liquid mixture was separated whereby a liquid passes through the holes in a filter paper. The solid particles are left behind. What method of separating mixture is used?
   1.   decantation
   2.   evaporation
   3.   filtration
   4.   using magnet
7. A method of separating excess liquid from food by heating.
   1.   decantation
   2.   evaporation
   3.   filtration
   4.   using magnet
8. Which of the following mixture can be separated by decantation?
   1.   soy sauce and salt
   2.   soy sauce and vinegar
   3.   water and oil
   4.   water and flour
9. To separate rocks into different sized particles for road building and other construction projects, which technique is applicable?
   1.   condensation
   2.   evaporation
   3.   sieving
   4.   using magnet
10. Which of these is NOT a technique in separating a mixture?
    1.   decantation
    2.   dissolving
    3.   filtration
    4.   evaporation
11. Which of the following statement is correct about separating mixture through a filter?
    1.   The liquid passes through sieve but the solid particles are left behind.
    2.   Insoluble substances from a liquid can be separated by using a filter.
    3.   The liquid cannot passed in a filter.
    4.   All of the above
12. What is the process by which water is separated by heating?
    1.   decantation
    2.   evaporation
    3.   filtration
    4.   sieving
13. What is the best technique in separating mixture of metals from other junk?
    1.   aided by magnets
    2.   evaporation
    3.   filtration
    4.   Sieving
14. How can you separate the liquid portion from iced coffee?
    1.   through sieving
    2.   through evaporation
    3.   through filtration
    4.   through melting
15. How will you separate minute metal shards from a sandy floor ?
    1.   through picking
    2.   through magnet
    3.   Through decantation
    4.   through filtration