HEAT SOURCES AND FLAMES

Descripción

Quiz on heat sources and flames in chemistry laboratory
kingi kigongo
Creado por kingi kigongo
kingi kigongo
Creado por kingi kigongo hace más de 10 años
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Resumen del Recurso

Pregunta 1

Pregunta
Heat is the same as a flame
Respuesta
  • True
  • False

Pregunta 2

Pregunta
A luminous flame is blue in colour
Respuesta
  • True
  • False

Pregunta 3

Pregunta
A flame is the visible glowing part of a fire
Respuesta
  • True
  • False

Pregunta 4

Pregunta
Non luminous flame does not produce soot
Respuesta
  • True
  • False

Pregunta 5

Pregunta
We commonly use the Bunsen burner as a source of heat in the laboratory
Respuesta
  • True
  • False

Pregunta 6

Pregunta
The most common source of heat used in laboratories is the........................
Respuesta
  • kerosene stove
  • spirit lamp
  • Bunsen burner

Pregunta 7

Pregunta
A Bunsen burner produces the hottest flame when..........
Respuesta
  • the air holes are fully opened
  • the air holes are closed
  • the air holes are half -open

Pregunta 8

Pregunta
A non luminous flame is ............in colour
Respuesta
  • yellow
  • purple
  • blue

Pregunta 9

Pregunta
Which is the hottest part of a non-luminous flame?
Respuesta
  • the outer zone
  • the tip of the middle zone
  • the tip of the inner zone

Pregunta 10

Pregunta
A non-luminous flame has.....................
Respuesta
  • four zone
  • two zone
  • three zone
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