Q11 of 87 Page 105

Which of the following does not produces a flame on burning?

Charcoal does not vaporize and so does not produce a flame.


More from this chapter

All 87 →
9

Name the term which is used to express the efficiency of a fuel.

 10

Name one solid, one liquid and one gas which burn by producing a flame.

 12

Name one fuel which burn without producing a flame.

 13

How many Zones are there in a flame?