1. What is a heterogeneous mixture containing larger particles that settle out when left undisturbed? *

1 point

solution

suspension

colloid

mixture

2. Which of the following is an example of suspension? *

1 point

liquid paracetamol

salad

coffee

milk

3. Which of the following statement best characterized suspension? *

1 point

It is a two-phase mixture which solid particles do not dissolve and just settle at the bottom.

It is a heterogeneous mixture which do not settle at the bottom.

It is a homogeneous mixture of two substances which is usually a liquid.

It is a mixture in which substances are evenly distributed.

4. Mother used fish bagoong in her pinakbet. What is the purpose of this kind of suspension? *

1 point

medication

cleaning

cooking

construction

5. Which of the following is an example of suspension used in construction site? *

1 point

gravel

steel

nails

sand and cement

6. Which cleaning material for laundry has a characteristic of suspension? *

1 point

bleach

powder detergent and water

fabric conditioner

water

7. Which common household suspension can cure diseases?*

1 point

antibiotic

ointment

tablets

syrup

8. Which statement best describe colloid? *

1 point

It is a two-phase mixture which solid is dispersed or spread in solid, liquid or gas.

It is a heterogeneous mixture which is not heavy enough to settle at the bottom.

It is a homogeneous mixture of two substances which is usually a liquid.

It is a mixture in which substances are evenly distributed.

9. The following is an example of colloid. Which is not? *

1 point

mayonaise

gelatin

whipped cream

spaghetti

10. Which of the following colloid is used for building healthy bone and teeth? *

1 point

toothpaste

mouth wash

toothbrush

dental floss

11. Which of the following improves digestive tract and digestion? *

1 point

yogurt

coffee

gelatin

mayonnaise

12. Which of the following colloid is used for writing? *

1 point

pen ink

pencil

chalk

none of the above

13. Which is an example of a colloid? *

1 point

whipped cream

coffee

soda

tea

14. Ezekiel Grace will cook rice for dinner. What technique should be used in separating the impurities from the rice and water by pouring to another container without disturbing the sediments? *

1 point

evaporation

filtration

decantation

sieving

15. Drinking calamansi juice strengthens the immune system. Which separating technique will you use to remove calamansi seeds from its juice? *

1 point

evaporation

filtration

decantation

sieving

16. Different dried fish like dilis, tuyo or daing were preserved by drying under sunlight. This separating technique is called_________. *

1 point

evaporation

filtration

decantation

sieving

17. You want to cook ginisang monggo for lunch. Which technique will you used to separate the impurities from the mongo grains? *

1 point

I will wash the monggo grains with water and separate the impurities by slowly pouring out the liquid without disturbing the sediments.

I will wash the monggo grains with water and let them dry under the heat of the sun.

I will wash the monggo grains with water and used a colander to separate the impurities.

I will wash the monggo grains with water and used a piece of cloth to remove the impurities.

18. Which method involves boiling or heating the mixture until all the liquids turned to gas and solid is left as residue? *

1 point



Option 1



Option 2



Option 3



Option 4

19. The following are example of filtering medium except one. Which is it? *

1 point

colander

strainer

water filtering system

beaker

20. Which apparatus is used for decantation in pouring liquid without getting the sediment? *

1 point



Option 1



Option 2



Option 3



Option 4

21-25. Describe each technique in separating mixture by matching its benefits to the community. 21. It allows cooking rice to be clean from varied impurities. *

1 point

evaporation

decantation

filtration

22. It provides salt to the community. *

1 point

evaporation

decantation

filtration

23. It removes unwanted substances through filtering medium like cloth or filter paper. *

1 point

evaporation

decantation

filtration

24. It saves electrical energy to dry wet clothes under the heat of the sun. *

1 point

evaporation

decantation

filtration

25. It provides grated coconut milk used in varied recipes. *

1 point

evaporation

decantation

filtration

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