Name the four zones in a wax candle flame.

Important Questions on Combustion, Fuels and Flame

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 5 - Combustion, Fuels and Flame>Test Your Learning Outcome>Q 3

Which zone of the flame emits light and why?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 5 - Combustion, Fuels and Flame>Test Your Learning Outcome>Q 4

Why the flame is blue in the zone near the base of the wick?

EASY

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 5 - Combustion, Fuels and Flame>Test Your Learning Outcome>Q 5

Which is the hottest zone of the flame?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 5 - Combustion, Fuels and Flame>Test Your Learning Outcome>Q 1

Why do we make use of a wick in oil lamps?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 5 - Combustion, Fuels and Flame>Test Your Learning Outcome>Q 2

Which material is used in the making of a wick and why?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 5 - Combustion, Fuels and Flame>Test Your Learning Outcome>Q 3

Why do we not use kerosene in an earthen lamp?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 5 - Combustion, Fuels and Flame>Test Your Learning Outcome>Q 4

What precaution should be taken while frying food in cooking oil?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 5 - Combustion, Fuels and Flame>Test Your Learning Outcome>Q 5

What is the physical state of the wax when a candle gets lighted?