Question

If you hold a piece of iron wire with a pair of tongs inside a candle flame or a Bunsen burner flame, what will you observe? Will it produce a flame?

June 11, 2024

Answer

Iron wire will become red hot and glow. It will not produce a flame.

💡 Some Related Questions

Sun produces its own heat and light. Is it also some kind of combustion?

Forest fire produces a lot of air pollution. Write in brief about the reasons of forest fires.

The calorific values of petrol and CNG are 45000 kJ/kg and 50000 kJ/kg, respectively. If you have vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?

Give two examples each for a solid, liquid and gaseous fuel along with some important uses.

What are the three essential requirements to produce fire? How fire extinguisher is useful for controlling the fire?

Manu was heating oil to fry potato chips. The cooking oil all of a sudden caught fire; he poured water to extinguish the fire. Do you think this action was suitable? If yes, why? If not, why not? In such a condition what should Manu have done?

You are provided with three watch glasses containing milk, petrol and mustard oil, respectively. Suppose you bring a burning candle near these materials one by one, which material(s) will catch fire instantly and why?

Although wood has a very high calorific value, we still discourage its use as a fuel. Explain.

What do you understand by fuel efficiency?

Cracker on ignition produces sound. Why?