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Ammonium nitrate leaves no residue when heated:NH4NO3 Δ→ N2O + 2H2O
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How can boiling point be used to find out if a substance is pure?
At Boiling Point all the material evaporates leaving no residue which means it is pure. But if it leaves some residue after evaporating at boiling point then it is not pure. For example : If you take an example of pure water & Saline Water then pure water will evaporate at its boiling point leaving nothing after it. But Saline water evaporates leaves salt behind it.
What is that green salt on heating decomposes to produce a colorless suffocating gas and leaves behin reddish brown residue?
Ferrous sulfate gives sulfur dioxide and a mixture of iron oxides when heating.
What drug do you heat on foil and it leaves a brown sticky residue?
heron
When methanol is burned and leaves a residue a physical or chemical change?
yes
Is methanol is burned and leaves a residue a chemical change?
Burning (an oxidation reaction) is a chemical change,
Which alkaline salt swells on heating?
Ammonium Dichromate..(NH4)2Cr2O7..and leaves green residue of Cr2O3..
When mineral rich water evaporates it leaves behind?
A residue formed from salts remain.
Does electrical tape leave residue?
It can, the cheaper electrical tapes leave more residue than the better quality brands such as 3M. The longer you leave it on the more residue it leaves behind.
How can boiling point be used to find out if a substance is pure?
At Boiling Point all the material evaporates leaving no residue which means it is pure. But if it leaves some residue after evaporating at boiling point then it is not pure. For example : If you take an example of pure water & Saline Water then pure water will evaporate at its boiling point leaving nothing after it. But Saline water evaporates leaves salt behind it.
What is that green salt on heating decomposes to produce a colorless suffocating gas and leaves behin reddish brown residue?
Ferrous sulfate gives sulfur dioxide and a mixture of iron oxides when heating.
What is animal resin?
Animal resin is the residue that is left after an animal leaves. Snails for example leave behind a type of resin.
What minerals do leaves leave behind when water evaporates?
A dried substance remain.
What are the advantages and disadvantages of co2 fire extinguisher?
It can be safely used on electrical fires, it will extinguish burning liquids, and it leaves no residue behind.
What is an evaporating disk?
An evaporating disk is a disk that is used specifically for evaporation. It is made out of ceramic. It works by heating a liquid over a flame, the liquid evaporates and leaves a solid residue.
What bug stings you and leaves a white chalky residue?
== ==
How do you remove tape residue off windows?
You take a sharp razor and scratch off the left over tape residue. works everytime, and leaves nothing behind.
How could you separate the salt from the in the solution?
there are many techniques to it. The best can be heating the solution till the time the solution gets evaporated and it leaves behind the salt.
