Why does a candle flame appear yellow orange whereas the flame of LPG gas stove appears bluish?

A orange, yellow or red flames means incomplete combustion of the gas. A blue flame indicates complete combustion of the carbon, which is why you see a blue flame with gas appliances. Propane is a hydrocarbon, containing carbon atoms. A blue flame is indicative of complete combustion vs a yellow flame or orange flame.

Why we can see the candle flame in a dark room?

Very simple to answer this! Because the elevator is an enclosed space, all the air and people and candles will travel together, experiencing any and all forces as a closed system. The candle flame wouldn’t even flicker. The only exception is during sudden movements.

Why LPG flame is different from candle flame?

The candle is made up of wax which does not completely burn whereas LPG (Liquified Petroleum Gas ) gives complete combustion. Hence, a candle produces a yellow flame whereas burning of LPG produces blue flames.

Why is fire blue at the bottom?

A low-oxygen fire contains lots of uncombusted fuel particles and will give off a yellow glow. A high-oxygen fire burns blue. 8. So candle flames are blue at the bottom because that’s where they take up fresh air, and yellow at the top because the rising fumes from below partly suffocate the upper part of the flame.

How far can a human eye see a candle?

By comparing the candle flame to a magnitude-six star, the researchers discovered that you would need 7 × 50 binoculars to see a candle 10 miles away. Furthermore, the farthest from which an average unaided human could see a candle is about 1.6 miles.

Why does LPG burn with blue flame?

The LPG (propane) gas flame colour appears blue because complete combustion creates enough energy to excite and ionize the gas molecules in the flame.

What happens when a candle is lit with fire?

When being lighted up with fire, it’s being introduced with Potential Energy to break and change the stored Chemicals Energy. As a result, the candle is burning.

Why are my candles burning too fast?

If this is the case, you probably have been lighting your candles for way too long and not trimming the wick. What happens when you light a candle for too long is you’ve let your wick “mushroom” or develop carbon buildup. This is the result of the candle consuming more wax than it can burn.

What type of energy is produced by a burning candle?

The primary forms of energy produced by a burning candle are heat and light. These come from the burning of fuel, in this case wax and, to a much lesser extent, the string of the candle’s wick.

What happens when you place two candles next to each other?

When you placed two or more candles next to each other and blew one out the burning candle’s flame should have reignited the wax vapor of the extinguished one. You might have realized that it is actually quite hard to keep a candle extinguished when it is so close to a burning one.