4769964
Beschreibung
Quiz von kingi kigongo, aktualisiert more than 1 year ago
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Erstellt von kingi kigongo
vor mehr als 10 Jahre
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Frage 1
Frage
Heat is the same as a flame
Antworten
- True
- False
Frage 2
Frage
A luminous flame is blue in colour
Antworten
- True
- False
Frage 3
Frage
A flame is the visible glowing part of a fire
Antworten
- True
- False
Frage 4
Frage
Non luminous flame does not produce soot
Antworten
- True
- False
Frage 5
Frage
We commonly use the Bunsen burner as a source of heat in the laboratory
Antworten
- True
- False
Frage 6
Frage
The most common source of heat used in laboratories is the........................
Antworten
-
kerosene stove
-
spirit lamp
-
Bunsen burner
Frage 7
Frage
A Bunsen burner produces the hottest flame when..........
Antworten
-
the air holes are fully opened
-
the air holes are closed
-
the air holes are half -open
Frage 8
Frage
A non luminous flame is ............in colour
Antworten
-
yellow
-
purple
-
blue
Frage 9
Frage
Which is the hottest part of a non-luminous flame?
Antworten
-
the outer zone
-
the tip of the middle zone
-
the tip of the inner zone
Frage 10
Frage
A non-luminous flame has.....................
Antworten
-
four zone
-
two zone
-
three zone
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