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What kind of substance is iron-sulfur combination before heating?
Wiki User
∙ 11y ago
it was a heterogenous mixture because the iron was in solid state and so was the sulfur
Wiki User
∙ 11y ago
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What is the colour of copper sulphate crystals before and after heating?
Copper Sulphate crystals before heating r blue....but after heating I dunno , may be u should try and ask your Sci.Miss/Sir I'll get back when I get the other answer .
How did the properties of the sulfur alone compared with the sulfur in the unheated iron sulfur combination?
Sulfur before being heated in the mixture weighs less and is less reactive than in the heated mixture.
What is the definition of pure substances?
A pure substance is a substance that consists solely of the same atoms/molecules.So a volume of water that contains only H2O is a pure substance. A block of iron that contains only Fe atoms is pure substance. A pure substance can be composed of atoms or molecules as I said before BUT they have to be exactly the same.A substance that has constant chemical composition and characteristics
Why is summer the longest season?
The first day of summer...for 2011 the 21st /It's merely the longest day in terms of sunshine per day. In general all days are equally long because that's how we measure our timeline. However when the "longest sunny day of the year" occur is entirely depending on where you live on earth. longest sunshine would be if you lived as near the poles center as you can.
Although air is full of nitrogen it is not available for organisms to readily use nitrogen is changed into which substance before being used by living things?
Ammonia, Nitrates, Nitrites.
What are the physical appearance of NaCl before heating?
Sodium chloride at room temperature is a crystalline transparent substance.
What happens to a substance that break apart before it can melt?
This is a thermal decomposition reaction: new compounds are obtained by heating.
How long from the from the start of the experiment was the substance heated before all of the substance turned into a liquid?
It is impossible to tell how long from the start of the experiment it was before all of the substance turned into a liquid without more information about the experiment. Perform the experiment again and use a timer to determine the length of time required to turn the substance into a liquid through heating.
When heating frozen pizza should you put toppings before heating or after?
before
What are the similarities of limestone before heating and after heating?
your scene of touch can help you tell how hot or cold an object is.
What is the colour of copper sulphate crystals before and after heating?
Copper Sulphate crystals before heating r blue....but after heating I dunno , may be u should try and ask your Sci.Miss/Sir I'll get back when I get the other answer .
Why it is essential that smears air-dried before heating?
It is essential that smears air-dry before heating. This is so that they do not move around and cause errors in observation.
When cuso45h2o is heated in a crucible there is a loss of water how is the amount of water loss determined?
Weigh mass before heating and weigh mass after heating. Before mass - after mass.
What is the reason for heating the tubes before and after each transfer?
You are not so much as heating tubes but preventing unwanted microbes from "sneaking" into the culture. You are sterilizing the mouth of the tube before and after.
A substance breaks down into its component elements when it is heated If 61.8 grams of the substance is present before it is heated what is the combined mass of the component elements after heating?
68.0 grams due to the law of conservation of mass which states that mass can not be lost but only converted.
Why should you air-dry a specimen before heating in laboratory experiments?
You should air-dry a specimen before heating it in the labratory in order to get rid of any impurities. Also, it helps you record the best and most accurate figure while heating.
What is potassium manganate coulour before heating?
Dark green
