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What is the equation for heating mercuric oxide in a test tube?
Wiki User
∙ 12y ago
2HgO(s) + heat ---> 2Hg + O2
Wiki User
∙ 12y ago
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What chemical is used to test for reducing sugar?
Benedict's solution is used to test for reducing sugar.
Which is the correct way to hold a test tube whike heating its unknown chemical?
When heating a test tube with any substance in it, you hold it with a test tube holder, pointed away from you and other people.
What is colour of cobalt oxide in borax bead test?
Dark blue
What is most important part of heating a liquid in a test tube?
Heating should be slow.The test tube should not be full.Work in a laboratory hood.
What is the test for alkaloids?
you can check alkaloid by dragon droff reagent,by iodine test,by muric oxide or by making its picrate derivATIVES
What will happen when mercuric oxide heat in a test tube and a glowing splinter is prepared by lighting a splinter of wood in a flame?
when we heat the mercuric oxide in the test tube the mercuric oxide returns to a black color when we get out on the flame they will be back on the normal
When a wooden splint is held near the mouth of the test tube containing strongly heated mercuric oxide?
no because no one will hold that next
Why mercuric chloride does not give chromyl chloride test?
Because mercuric chloride is a covalent compound and is not an ionic compound. Only ionic compounds give chromyl chloride test
Why mercuric chloride paper is used in limit test for arsenic?
Mercuric bromide or Mercuric Chloride impregnated paper react with Arsin gases, ans form a yellow stain. this is an indication of the presence of Arsenic in the sample being analysed.
What is the chloride test procedure for waste water?
titrate with mercuric nitrate solution
Lead (II) Oxide?
PbO2 Test of Lead (II) Oxide with Titration Reaction
What is the first test to perform with a electric heating appliance?
what is the first test that should be made on a heating electric appliance
What chemical is used to test for reducing sugar?
Benedict's solution is used to test for reducing sugar.
Heating the liquid in a test tube?
it vapourise from the test tube
Which is better for heating beaker or a test tubeand why?
A beaker is better for heating compared to a test tube because it does not break up easily.
Explain why the iodine test gave such results upon prolonged heating?
explain why the iodine test gave such results upon prolonged heating
Why do you add mercuric sulfate in COD test?
Mercuric sulfate is added to complex chloride (and other halogen) ions. These ions interfere in the COD digestion by complexing with the silver to reduce its catalytic effect and by reacting with the dichromate to form elemental halogens thus giving falsely high readings.
