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What will happen if heating is not controlled while preparing plaster of Paris?
It may be noted that the temperature should be controlled carefully. It should not be allowed to rise above 152°C (425K) because, if whole of the water is lost then anhydrous calcium sulphate is produced, which is called dead burnt plaster and it does not have the properties of Plaster of Paris.
What happens when plaster of Paris heated to 473k?
When plaster of Paris is heated to 473 K, it undergoes a process called calcination, where it loses water of crystallization and converts back to gypsum. The chemical reaction involved in this process is: 2CaSO4 · 2H2O → 2CaSO4 · 1/2H2O + 3H2O.
What is the black substance called on a burnt match?
The black substance on a burnt match is called soot. It is formed when the matchstick burns and the carbon in the wood is not completely combusted, leading to the black residue.
What is thesymbol of black none metal formed when toast is burnt?
The symbol for carbon, a black non-metal, is C. When toast is burnt, the carbon in the bread undergoes a chemical reaction known as combustion, resulting in the blackened appearance.
Why do electrical wires burn out?
Actually when a wire is burnt a layer of oxide of the metal is formed which has a very high lattice energy and so it cannot be broken into constituent ions under ordinary conditions.That's why a burnt metal cannot conduct electricity.
Dead plaster of Paris formula?
CaSO4.2H2O
When you get burnt when you are dead will you be in pain?
no.
What compound is formed when hydrogen is burnt?
When hydrogen burns, water is formed.
What will happen if heating is not controlled while preparing plaster of Paris?
It may be noted that the temperature should be controlled carefully. It should not be allowed to rise above 152°C (425K) because, if whole of the water is lost then anhydrous calcium sulphate is produced, which is called dead burnt plaster and it does not have the properties of Plaster of Paris.
Where are dead bodies burnt?
They are cremated in a crematorium
What is a place where dead bodies are burnt?
Crematorium
Is carbon dioxide always formed when a hydrocarbon is burnt?
no
How did Christine Hewitt die?
She was found dead in a burnt-out SUV.
Did Christine Hewitt die?
She was found dead in a burnt-out SUV.
What happens when plaster of Paris heated to 473k?
When plaster of Paris is heated to 473 K, it undergoes a process called calcination, where it loses water of crystallization and converts back to gypsum. The chemical reaction involved in this process is: 2CaSO4 · 2H2O → 2CaSO4 · 1/2H2O + 3H2O.
What is better a dead body to be buried or burnt?
They taste much better burnt. If you bury them, then you just get dirt all over it.
How do you find the nature of the gas formed when charcoal is burnt?
by doing something.....
