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Question
Complete the table given below.
| Heat on copper carbonate | Test for gas evolved |
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Solution
| Heat on copper carbonate | Test for gas evolved | Colourless (CO2 Carbon dioxide) |
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Tick the most appropriate answer.
Miscible liquids having slightly different boiling points can be separated by the
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TRUE \ FALSE
Weak electrolytes dissociate partially in their aqueous or fused state.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Hydrogen chloride
Give a chemical test to distinguish between the following gases.
H2 and CO2
Write your observation and a balanced equation in the case of the following substances being heated.
Zinc carbonate.
Complete the table given below.
| Addition of dil. H2SO4 to FeS | Odour of gas evolved |
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
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Burning of paper is the best example of ______ change.
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Can you change rust back into iron by some simple method?
