List and Describe Two Differences Between Pure Substances and Mixtures

Q11: The units most likely to be used

Q12: What element is represented by the chemical

Q13: Identify the product(s)in the following reaction:<br>Calcium carbonate

Q14: Why is the number 273.15 (and not

Q15: Which of the following is an element?<br>A)fire<br>B)iron<br>C)salt<br>D)water<br>E)wine

Q17: The abbreviation for the metric unit used

Q18: How many centimeters are there in one

Q19: Each symbol denotes an element except<br>A)Co.<br>B)CO.<br>C)Cu.<br>D)C.<br>E)Cl.

Q20: A 35.0 mL sample of a liquid

Q21: Which of the following is a mixture?<br>A)cough