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Questions and Answers
What type of balance should be used for weighings requiring four or more significant figure accuracy?
What type of balance should be used for weighings requiring four or more significant figure accuracy?
- Top-loading balance
- Precision balance
- Compact balance
- Analytical balance (correct)
At what accuracy do top-loading balances weigh?
At what accuracy do top-loading balances weigh?
- ± 0.1 mg
- ± 0.01 g
- ± 0.001 g
- ± 1 mg (correct)
What does the statement 'Weigh out about 2 g of' mean in chemical procedures?
What does the statement 'Weigh out about 2 g of' mean in chemical procedures?
- Weigh less than 2 g
- Weigh approximately 2 g (correct)
- Weigh exactly 2 g
- Weigh more than 2 g
Which balance is suitable for most weighings of amounts specified to only two or three significant figures?
Which balance is suitable for most weighings of amounts specified to only two or three significant figures?
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In chemical procedures, when should an analytical balance be used?
In chemical procedures, when should an analytical balance be used?
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