Teachers' Corner PH

  I.                  Directions: Encircle the letter of the correct answer.   1.   What method of separating mixtures will you use if you want to remove small shells in a grind/ground coffee?   a. filtering                         c. evaporation                        b. sieving                          d. decantation 2.   Which of the following mixtures use filter cloth to separate solid from a liquid extract? a. flour with stones                               b. powder chalk with seeds                     ...

  Directions: Write the letter of the correct answer. 1.What kind of mixture is formed when oil is mixed with water?   a.            Solution                 b. water   c.       Colloids                 d. suspension 2.How does suspension appear?   a.      a.   It appears clear.          b. It appears cloudy.   c.It appears messy.   d. none of the above 3.Which of the following statements do not describe a suspension?   a.       Suspensions are larger particles is visible to the naked eyes.   b.      Suspensions are particles that settle out when left undisturbed.   c.       Mixtu...

 Directions: Choose the letter of the correct answer. 1. Mixtures can be homogeneous or heterogeneous. A sachet of 3 in 1 coffee contains coffee, sugar and powdered cream. Thus, making it heterogeneous. When hot water is being poured into the 3 in 1 mixture, it turned homogeneous. What idea supports the said occurrence?     a. The components of mixtures when dissolve in hot water cannot be identified.     b. The components of mixtures mixed with hot water taste sweet.     c. The components of mixtures form a two-layer liquid.     d. The components of mixtures can be separated. 2. Which of the following are homogeneous mixtures?     I. Tea with sugar                 IV. Alcohol     II.   Buko salad                          V. Air     III. Nachos     a. I and II    ...