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practice questions chemistry first half
- Course
- Chemistry (CHEM101)
these are practice questions and answers to help with studying chemistry 1st semester first half
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Some examples from this set of practice questions
1.
multiply 0.06 by 0.021 a. 0.0126 b. 0.000126 c. 0.00126 d. 0.126
Answer: C
2.
9 - 3(2 + 6)/6 - 2 x 5 a. none of the below b. 35 c. -5 d. 5
Answer: c
3.
the population of collegeville was 4500 in 2010. in 2014, it had decreased to 3600. find the percent decrease in population during those four years. a. 80% b. 90% c. 16.2% d. 20% e. none of the above
Answer: D
4.
you receive a grade of 75% on a test of 60 questions. how many questions did you answer correctly? a. 45 b. 8 c. 12 d. 50 e. none of the above
Answer: A
5.
sandra\\\'s monthly salary is $3200. if the tax deduction from her monthly paycheck is $800, what percent of her salary goes to these deductions? a. 25% b. 25.6% c. 40% d. 4% e. none of the above
Answer: A
6.
the cost of an article including 15% tax is $138.00. what is the cost if the article without tax? a. $120.00 b. $117.30 c. $20.70 d. $92.00 e. none of the above
Answer: A
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