PRETEST: Choose the letter of the best answer. Write the letter of your answer on the space provided before the number
1 .Which of the following statement BEST describes mixtures?
A Most substances will explode when mix.
B. Only solids can be combined to form mixtures.
C. Only liquids can be combined to form mixtures.
D. Two or more substances which are not chemically combined.
2. Which of the following is an example of solid and solid mixture?
A. brass B gold C. oxygen D. silver
3. What will happen if you mix mongo seeds and black beans? The mongo seeds and black beans will
A. change their color C. form new substances
B. change their texture D. retain their components
4. Describe what will happen to solid materials when mixed with another solid materials." Mixing solid materials will
A. change their size C. form new substance B. change their texture D. retain their components
5. In what situation can you apply your knowledge on mixing solid and solid materials?
A. Drinking orange juice
B. Putting pebbles into the aquarium
C. Washing the dishes using liquid soap D. Slicing apple and pear and putting them in a bowl.
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Answer:
1.D
2.D
3.C
4.B
5.B
Explanation:
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