The primary purpose of the scientific method is 2. True/False: Placing a metal s

Question

The primary purpose of the scientific method is 2. True/False: Placing a metal sample on water is an example of a physical change. 3. Which of the following measurements is equivalent to the bask unit of volume? a) 1000ml c) 0.01 Kl b) 100cm' d) l000ul 4. Round off the following numbers to one decimal place: a) 315.552 b) 1609.98 5. Determine the number of significant figures in each of the following values: a) 61.00 cm b) 0.3691 C) 4.0180 g 6. Which of the following measurements represents an intensive property? a) 4.15 times 10^-1 kg c) 50degreeC b) 0.22g/cm^3) d) 0.005m 7. a) 27.2 an is equivalent to m b) 1200g is equivalent to Kg c) 600ml is equivalent to dl

Explanation / Answer

1) The primary purpose of scientific method is to perform an experiment according to a well defined process in a step wise manner. The proper conduction of experminetns help to keep a track on the erros and to mend them. This also makes method reproducible so that other can also perform the experiment.

2) False

3)Basic unit of volume = 1L = 1000mL

4) 315.552 = 315.5

1609.98 = 1610.0

5) 61.00 cm = 4significant figure

0.369 L = three

4.0180 = five

6) intensive property does not depend upon amount . Answer: temperature

50 C

7) 27.2 cm = 0.272 m

1200 g = 1.2 Kg

600mL = 0.6 L = 6 dL

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