What do you mean by the term 'residue'?

Important Questions on Combustion and Flame

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 6 - Combustion and Flame>NaTTY NUT>Q 4

What is a soda-acid fire extinguisher?

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 6 - Combustion and Flame>NaTTY NUT>Q 5

What is a matchstick?

 

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 6 - Combustion and Flame>NaTTY NUT>Q 1

Differentiate between complete combustion and incomplete combustion.

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 6 - Combustion and Flame>NaTTY NUT>Q 2

What is the difference between explosion and rapid combustion?

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 6 - Combustion and Flame>NaTTY NUT>Q 3

Differentiate between carbon dioxide fire extinguisher and soda-acid fire extinguisher.

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 6 - Combustion and Flame>NaTTY NUT>Q 4

What is the difference between inflammable substances and combustible substances?

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 6 - Combustion and Flame>TOUGH NUT>Q 1

Wood, on burning, produces a bright flame initially and glows later, while LPG continues to burn with a flame. Can you explain why?

MEDIUM

8th CBSE

IMPORTANT

Study Mate Science Class 8>Chapter 6 - Combustion and Flame>TOUGH NUT>Q 2

Shyam noticed that his gas stove is beginning to give out yellow flames. What does it mean?