Question

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

Answer 1

12. Lower
13. crystallization
14. Hot plate stirrer
15. 210 g
16. Magnetic stirrer