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प्रश्न
The colour of an aqueous solution of zinc sulphate as observed in the laboratory is:
(1) Green
(2) Yellow
(3) Blue
(4) Colourless
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उत्तर
(4) Colourless
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संबंधित प्रश्न
CuSO4(aq) + Zn(s) → ZnSO4(aq) + Cu(s) is an example of a decomposition reaction.
State two characteristics of the chemical reaction which takes place when dilute sulphuric acid is poured over zinc granules.
What type of chemical reaction is represented by the following equation?
\[\ce{A2O3 + 2B -> B2O3 + 2A}\]
What is meant by a displacement reaction? Explain with the help of one example.
What happens when a piece of iron metal is placed in copper sulphate solution? Name the type of reaction involved.
What happens when a zinc strip is dipped into a copper sulphate solution?
Name the type of reaction involved.
When a strip of red-brown metal X is placed in a colourless salt solution YNO3 then metal Y is set free and a blue coloured salt solution X(NO3)2 is formed. The liberated metal Y forms a shining white deposit on the strip of metal Х.
- What do you think metal X is?
- Name the salt YNO3.
- What could be metal Y?
- Name the salt X(NO3)2.
- What type of reaction takes place between metal X and salt solution YNO3?
Name the type of reaction which is governed by the position of a metal in the metal activity series ?
State the change in colour observed in following case mentioning the reason:
A piece of zinc is dipped in ferrous sulphate solution.
The colour of the solution observed after 30 minutes of placing zinc metal in copper sulphate solution is ______.
