English, 03.05.2020 13:45, robert7248

Which is the following statements is correct :
1- The use of paper for weighing is not acceptable practice for quantitative determination.
2- Cleaning solution is prepared from sodium dichromate and nitric acid.
3- Volumetric glassware shouldn’t be calibrated before use.
4- Chemical are placed directly on the balance pane.
5- The object to be weighing shouldn’t be at room temperature.

Answers: 3

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Which is the following statements is correct :
1- The use of paper for weighing is not accepta...