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SCIENCE 7-Quarter 1
Summative Test 3: Substances and Mixtures
1. Written Works (50%)
A. Multiple Choice. (10 points)
Direction: Select the correct answer to each question. Write the letter of your choice o
the number
1. What are the two types of pure substances?
A. acid and base
C. element and compound
B. metals and nonmetals
D. compound and mixture
2. Substances are classified as elements and compounds. Which of the statement
NOT describe a compound?
A. substances are chemically combined C. substances keep their own pro
B. can be separated by chemical means D. have a definite chemical com
3. Which among the following is NOT a compound?
A. salt
C. vinegar
D. wa
4. You are asked to make a homogeneous mixture. Which of the following set-up
A oil and water B. vinegar and water C. rice and water
D. sa
B. sugar
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