(TO PREPARE FOR EXAMS) T/F 1. There are 1000 grams in a milligram. T/F 2. Collig
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(TO PREPARE FOR EXAMS) T/F 1. There are 1000 grams in a milligram. T/F 2. Colligative properties depend only on the number of dissolved particles per L of solution. T/F 3. One cm' equals 10 mm. T/E 4. Volume displacement is a good way of measuring the volume of small or irregular objects. T/F 5. A Celsius degree represents a larger temperature change than a Fahrenheit degree. T/F 6. The desired type of flame on a Bunsen burner is yellow and luminous. T/F 7. Water at O C is colder to the touch than water at 32 °E T/F 8. A plot of"C versus the corresponding" F is a line. T/F 9. If a liter of water contains two moles of dissolved particles, its boiling point will double. T/F 10. You should never tare a balance T/F 11. You should never put chemicals directly on the balance. an 12. What gases are products of a combustion reaction? 13. How many significant figures does the number, 0.02060 have? 14. The curved surface at the top of a column of water in a graduated cylinder is called aExplanation / Answer
Statements 1, 3, 9 and 10 are false, rest are true.
(12)
CO2 and H2O
(13)
0.02060 has four significant digits.
(14)
meniscus
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