true or false. [1 M]

Questions

🎯

7 questions · timed · auto-graded

Question 11 Mark

Air is necessary for combustion.

Answer

True

Question 21 Mark

Spontaneous combustion takes place in the absence of external heat.

Answer

True

Question 31 Mark

LPG fire is an inflammable substance.

Answer

True

Question 41 Mark

Middle zone is the hottest zone of a flame.

Answer

False, outer zone is the hottest zone of a flame.

Question 51 Mark

Water is the best extinguisher for fires involving electrical equipment.

Answer

False, carbon dioxide is the best extinguisher for fires involving electrical equipment.

Question 61 Mark

Carbon dioxide is an excellent fire extinguisher.

Answer

True

Question 71 Mark

Magnesium is a non-combustible metal.

Answer

False, magnesium is a combustible metal.

true or false. [1 M] - Science STD 8 Questions - Vidyadip

Science true or false. [1 M]