7 Which of these is not a component of the bunsen burner?
Tong
Chimney
Air vent
Needle valve
8 If a procedure tells you to "add about 3 g of ammonium sulphate", which balance would you use?
Analytical balance
Top-loading balance
Spring balance
All of the above
9 Which of these is more suitable for accurate measurement of mass?
Spring balance
Top-loading balance
Analytical balance
None of the above
1
Expert's answer
2016-08-22T04:43:27-0400
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