read each item carefully write only the letter of the correct answer for each question use a separate sheet for your answer
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read each item carefully write only the letter of the correct answer for each question use a separate sheet for your answer
Answer:
1.D
2.C
3.C
Explanation:
mao nay answer
Answer:
1. D-substance and mixture
2. D-substances of gases
3. D-substance is pure while mixture is impure