12 If you weighed a hot object on the balance, the reading would be _____________.
Same
Higher
Lower
None of the above
13 Solids are usually purified by the method of ____________.
fractional distillation
distillation
crystallization
All of the above
14 Which of these helps you to keep solutions at a constant temperature while stirring?
Magnetic stirrer
Hot plate stirrer
Mechanical stirrer
Stirrer motor
15 What is the maximum capacity of the analytical balance?
110 g
210 g
620 g
None of the above
16 What would you use to achieve a constant stirring?
Magnetic stirrer
Hot plate stirrer
Mechanical stirrer
Stirrer motor
1
Expert's answer
2016-09-16T09:11:03-0400
12. Lower 13. crystallization 14. Hot plate stirrer 15. 210 g 16. Magnetic stirrer
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