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Heating a white substance produces a vapor and black material Was the substance an element or a compound?
Wiki User
∙ 15y ago
compound as it decomposed into two separate things.
Wiki User
∙ 15y ago
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What does a chemical property give a substance the ability to do?
A chemical property is the properties exhibited by a material in a chemical reaction. This gives a substance the ability to have a chemical identity and is also used in building chemical classifications. The properties can be used in identifying a substance that is unknown or to separate substances. The property also helps in providing information on the application of a substance.
Where does lost energy in a rheostat go?
It is lost in heating the resistive material of the rheostat.
When you are heating materials in a test tube what is very important about the mouth of the test tube?
The most important aspect of heating liquids in a test tube is to never look directly into the mouth of the test tube, as liquid may spurt out and come into contact with your eyes or face. However, if you are wearing plastic safety glasses, the substance may not harm you, depending on the type of substance you are heating.
Who use solar energy and for what purpose?
Solar Energy is used for heating buildings and water, and produces electricity for buildings, also.
Temperature is the what of the average kinetic energy of the molecules in a substance?
The average energy is increased by heating.
What are some limitations of using heating to determine whether the substance is an element or a compound?
limitation of heating element
Heating a chemical compound produces elements?
it's sometimes true
A substance X on heating gives B and C What is X a compound or a mixture?
It may be a compound as CaCO3 which on heating gives CaO and CO2, it may be a mixture as mixture of Naphthalene and sand which on heating gives naphthalene and sand.
Why don't wood melt on heating?
wood doesn't melt on heating because while heating the compound required to change that substance into liquid gets evaporated quickly when we start heating.
Is heated sulfur and iron fillings is substance or mixtures?
Heating sulfur with iron fillings lead to the formation of iron sulfide - a chemical compound.
What is a solid substance left after heating coal or petrol?
i am a solid substance left after heating coal or petol
Why heating enzymes usually produces a faster rate of reaction?
Why heating enzymes usually produces a faster rate of reaction?
Is the ability to conduct heat classified as a physical property or a chemical property?
Heat of combustion is a chemical property.
Is hot water an chemical or physical change?
That is a physical change because it has not had an explosive or bubbly substance.
When heating a substance what happens?
Heating a substance can result in a chemical reaction, which usually results in a simple combustion reaction. This is because Oxygen, or O2, is added to the substance, which can dramatically alter the substance.
What happens to the mixture of iron fillings and sulphur powder after heating?
That produces a strongly exothermic reaction that results in the production of a grey substance, an iron sulphide. Please see the link.
What material is used to make the heating coils of electrical heating device and why?
Nichrome
