4 Which of the following can cause error during weighing?
Presence of air currents in the lab
Balance door being open
Non-equilibration of balance
All of the above
5 If you weighed a cold object on the balance, the reading would be _____________.
Higher
Lower
Same
None of the above
6 During the same experiment, one must be careful to always use _____________balance.
Different
Same
Various
None of the above
1
Expert's answer
2016-08-22T04:43:24-0400
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