What will happen if the candle falls over?

Carbon dioxide molecules are heavier than air. Because of this, they push the oxygen and other molecules in the air out of the way as they sink down over the flame and candle. When oxygen is pushed away from the wick, it can’t react with the wax anymore. This makes the flame go out.

What happens if you let a candle burn to the bottom?

The National Candle Association (www.candles.org) states that the reason to not burn the wax (in a container or just a candle itself) all the way down is SAFETY. A glass jar or container can become too hot, causing it to break or shatter and possibly causing a fire as well as other damage.

How burning of candle is a chemical change?

When a candle burns, the oxygen in the air reacts and forms carbon dioxide. A new substance, the CO2 is formed. So it is a chemical change. When the candle melts, no new substance is formed and the molten wax can be again solidified and made into a candle and it is a reversible change.

Does a candle lose matter when it burns?

The mass of candle does not change during the melt down. The flame of the burning wick melts down the wax; however, melting is not supposed to change the weight.

Is it safe to burn a candle overnight?

It is safe and advisable to not leave a candle burning unattended, even for a short period of time, for the risks we mentioned above. As a general rule of thumb, candles can be burnt, if attended, for not more than four hours. If they are burnt for more than four hours, you may encounter the mushroom wick issue.

Should you burn candles in your bedroom?

If you plan on using candles regularly, it’s a good idea to burn them in a ventilated room to minimize the amount of smoke you breathe in. Keeping your candles away from drafts can help decrease the amount of smoke they produce.

Why shouldn’t you burn candles all the way down?

Wax learns to melt the same way, so the first time you light your candle’s wick, it’s important to burn it until the liquified wax creates a layer all the way around the inside of the jar. This can lead to another candle conundrum called “tunneling”–creating a hollowed-out center in the wax.

What type of change is burning a candle?

physical change
Additional information: On heating, candle wax melts and forms liquid wax. So, it is a physical change in the burning of candles. Since, it again turns into solid wax on cooling. This is a reversible change.