1. A method of separating excess liquid from food by heating. *
1 point
A. decantation
B.evaporation
C. filtration
D. using magnet
2. 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 point
A. decantation
B.evaporation
C.filtration
D. using magnet
3. To separate rocks into different sized particles for road building and other construction projects, which technique is applicable? *
1 point
A. condensation
B. evaporation
C. sieving
D. using magnet
4. Which of the following mixture can be separated by decantation? *
1 point
A. soy sauce and salt
B. soy sauce and vinegar
C. water and oil
D. water and flour
5. Which of these is NOT a technique in separating a mixture? *
1 point
A. decantation
B. dissolving
C. filtration
D. Filtration
6. What is the best technique in separating mixture of metals from other junk? *
1 point
A. aided by magnets
B. evaporation
C. filtration
D. Sieving
7. Which of the following statement is correct about separating mixture through a filter? *
1 point
A. The liquid passes through sieve but the solid particles are left behind.
B. Insoluble substances from a liquid can be separated by using a filter.
C. The liquid cannot passed in a filter.
D. All of the above
8 What is the process by which water is separated by heating? *
1 point
A. decantation
B. evaporation
C. filtration
D. sieving
9.It is used to separate particulates from a liquid by allowing the solids to settle to the bottom of the mixture. *
1 point
A.filtration
B.evaporation
C.Filtration
D. sieving
10. 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 point
A. filtration
B. evaporation
C. Filtration
D. sieving
11.It is done by passing a suspension through a filter paper retains the solid components of the mixture. *
1 point
A. sieving
B. evaporation
C. Filtration
D. using a magnet
12. It is applying heat to cause the liquid in a mixture to evaporate leaving the other component/substance behind. *
1 point
A. filtration
B. evaporation
C. Filtration
D. using a magnet
13. It is the separation that involves the use of tools to separate metal solids mixed together.
1 point
A. filtration
B. evaporation
C. Filtration
D. using a magnet
Direction:Identify common separation techniques used to separate the components of the following mixtures. Choose the letter of the best answer. *
3 points
a. decantation b.sieving c.filtration d.evaporation
14.Getting the liquid portion of iced coffee
15. Straining pancit canton in a colander
16.Separating pasta off cup noodles
14.Getting the liquid portion of iced coffee
15. Straining pancit canton in a colander
16.Separating pasta off cup noodles
17.Window screens allowing air in while keeping insects out
1 point
A.evaporation
B.filtration
C.sieving
D.evaporation
18.Making coffee using ground coffee beans *
1 point
A.filtration
B.evaporation
C. Decantation
D.sieving
19.Drying clothes (separating water from fabric) *
1 point
A.Decantation
B.sieving
C.filtration
D.evaporation
20. Recovering the pure alcohol from alcoholic beverages
1 point
A.filtration
B.evaporation
C. Decantation
D.sieving