HEAT SOURCES AND FLAMES

Descrição

Quiz on heat sources and flames in chemistry laboratory
kingi kigongo
Quiz por kingi kigongo, atualizado more than 1 year ago
kingi kigongo
Criado por kingi kigongo mais de 8 anos atrás
552
1

Resumo de Recurso

Questão 1

Questão
Heat is the same as a flame
Responda
  • True
  • False

Questão 2

Questão
A luminous flame is blue in colour
Responda
  • True
  • False

Questão 3

Questão
A flame is the visible glowing part of a fire
Responda
  • True
  • False

Questão 4

Questão
Non luminous flame does not produce soot
Responda
  • True
  • False

Questão 5

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

Questão 6

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

Questão 7

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

Questão 8

Questão
A non luminous flame is ............in colour
Responda
  • yellow
  • purple
  • blue

Questão 9

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

Questão 10

Questão
A non-luminous flame has.....................
Responda
  • four zone
  • two zone
  • three zone

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