4814777
Questão 1
Questão
Lab Coats and Safety Glasses must be worn when handling chemicals or heating.
Responda
- True
- False
Questão 2
Questão
Any glass breakages must go in the red recycling bin
Responda
- True
- False
Questão 3
Questão
A Measuring cylinder is used for holding heated substances.
Responda
- True
- False
Questão 4
Questão
A gauze mat…
Responda
-
protects benches from damage
-
supports test tubes while they are being heated
-
supports containers over a bunsen burner and spreads heat evenly
Questão 5
Questão
A spatula is used to
Responda
-
stir mixtures
-
pick up small amount of solid substances
-
pick up and hold small solids while they are being heated
Questão 6
Questão
When using a Bunsen Burner, it is important to turn the gas tap on BEFORE lighting the match.
Responda
- True
- False
Questão 7
Questão
When using a Bunsen Burner, it is important to clear any paper and matches from the area.
Responda
- True
- False
Questão 8
Questão
The safety flame is used as it is easier to see and not as hot.
Responda
- True
- False
Questão 9
Questão
'Luminous' means you can see it.
Responda
- True
- False
Questão 10
Questão
When the air hole on a Bunsen Burner is closed, the flame will be Blue.
Responda
- True
- False
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