sachine09

Saira

Asked: November 20, 2020In: Class 8 Science

Which zone of a flame does a goldsmith use for melting gold and silver and why?

NCERT Solutions for Class 8 Science Chapter 6 Important NCERT Questions 8th Chapter 6 Combustion and Flame NCERT Books for Session 2022-2023 CBSE Board and State Bord Questions No: 10

Saira

Asked: November 20, 2020In: Class 8 Science

It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain.

NCERT Solutions for Class 8 Science Chapter 6 Important NCERT Questions 8th Chapter 6 Combustion and Flame NCERT Books for Session 2022-2023 CBSE Board and State Bord Questions No: 9

Saira

Asked: November 20, 2020In: Class 8 Science

Explain how CO₂ is able to control fires.

NCERT Solutions for Class 8 Science Chapter 6 Important NCERT Questions 8th Chapter 6 Combustion and Flame NCERT Books for Session 2022-2023 CBSE Board and State Bord Questions No: 8

Saira

Asked: November 20, 2020In: Class 8 Science

Name the unit in which the calorific value of a fuel is expressed.

NCERT Solutions for Class 8 Science Chapter 6 Important NCERT Questions 8th Chapter 6 Combustion and Flame NCERT Books for Session 2022-2023 CBSE Board and State Bord Questions No: 7

Saira

Asked: November 20, 2020In: Class 8 Science

Give reasons: Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminum pipe does not.

NCERT Solutions for Class 8 Science Chapter 6 Important NCERT Questions 8th Chapter 6 Combustion and Flame NCERT Books for Session 2022-2023 CBSE Board and State Bord Questions No: 5 Part: c

sachine09

Which zone of a flame does a goldsmith use for melting gold and silver and why?

It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain.

Explain how CO₂ is able to control fires.

Name the unit in which the calorific value of a fuel is expressed.

Give reasons: Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminum pipe does not.

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