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Why is it safe to use a Bunsen burner to heat a solution that gives off hydrogen gas?
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∙ 9y ago
It is recommended to work in a ventilated laboratory hood.
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∙ 8y ago
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Why is it fairly safe to use a bunsen Burner to heat a solution that gives off hydrogen gas?
Bunsen burner is not used to obtain hydrogen.
Which cone gives off more heat on a Bunsen Burner?
The tip of the inner flame is the hottest.
What was the feature that allowed the Bunsen burner to get a hot flame?
Robert Bunsen added an air hole to it so it could have oxygen as well as gas. when the air hole is open the flame you get is blue and is hotter than when the air hole is closed, which then gives a yellow flame.
What occurs when Hydrogen is turned into helium?
The result of this separation will be pure hydrogen and pure helium.
Differentiate acids from bases as to their characteristics?
An acid is a substance the produces hydrogen ions (H+) when mixed with water while a base produces hydroxide ions (OH-). Another models says that and acid donates or gives away a proton (H+) while a base accepts a proton.Read more: Differentiate_acids_from_bases
Why is it fairly safe to use a bunsen Burner to heat a solution that gives off hydrogen gas?
Bunsen burner is not used to obtain hydrogen.
Which cone gives off more heat on a Bunsen Burner?
The tip of the inner flame is the hottest.
What is the name of the flame when the air hole of a Bunsen burner is open?
Air hole fully open gives a 'roaring blue flame'
What was the feature that allowed the Bunsen burner to get a hot flame?
Robert Bunsen added an air hole to it so it could have oxygen as well as gas. when the air hole is open the flame you get is blue and is hotter than when the air hole is closed, which then gives a yellow flame.
Which setting gives the hottest flame when using a Bunsen burner?
The blue flame is the hottest... The yellow one is called a safety flame and if you swipe your hand qckly through the safety flame, it won't burn... If you do it quick enough
When acids in water what positive ion is produced in excess?
When acids in water hydrogen positive ion is produced in excess. It is this hydrogen positive ion that gives acidity of a solution.
Why does the roaring flame from the Bunsen burner turn red after passing through the wire gauze?
burner usually gives off blue flame because it receives enough oxygen to keep it burning at full strength. but after passing through wire gauze the flame turns red because it then receives a disrupted, less and unsteady amount of oxygen. this also causes the temperature of the flame to fall.
What makes acid acidic?
An acid is a substance that releases hydrogen ions, H+, in an aqueous (water) solution, or a substance that gives up a hydrogen ion to another molecule or ion depending on which definition you use.
Do acidic solutions give some or many hydrogen ions?
The more acidic a solution is, the more hydrogen ions it gives off.
Will using potassium hydroxide during electrolysis produce chlorine gas?
If you mean just potassium hydroxide or its aqueous solution, then no, because their are no chlorine atoms present. The only elements present are potassium, hydrogen and oxygen. Molten KOH produces potassium at the cathode and oxygen at the anode, and the solution gives hydrogen at the cathode and oxygen at the anode.
What happens when you heat copper sulphate over a Bunsen burner?
I think it becomes a black liquid which, when it cools becomes a black powder. it also bubbles and gives off a gas (oxygen I think) that means that the copper sulfate had the oxygen removed making it copper sulfide. (I'm not entirely sure but this is what happened in the practical. Cheers.
Which of the following describes a strong acid?
It dissociates completely into ions
