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प्रश्न
The colour of the solution observed after 30 minutes of placing zinc metal in copper sulphate solution is ______.
विकल्प
Blue
Colourless
Dirty green
Reddish Brown
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उत्तर
The colour of the solution observed after 30 minutes of placing zinc metal in copper sulphate solution is Colourless.
Explanation:
Since zinc is more reactive than copper, it displaces copper from copper sulphate solution to generate a colourless zinc sulphate solution.
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संबंधित प्रश्न
What type of chemical reaction is represented by the following equation?
A + BC → AC + B
What type of chemical reaction is represented by the following equation?
A2O3 + 2B → B2O3 + 2A
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.
Name the type of reaction which is governed by the position of a metal in the metal activity series ?
The colour of an aqueous solution of zinc sulphate as observed in the laboratory is:
(1) Green
(2) Yellow
(3) Blue
(4) Colourless
i) Observe the following reaction and answer the following questions.
`CuSO_4 (aq) + Fe (s) → FeSO_4(aq) + Cu (s)`
a) Identify and write the type of chemical reaction.
b) Write the definition of above reaction.
Give reasons for the following:
The reaction of iron (III) oxide [Fe2O3] with heated aluminum is used to join cracked machine parts.
Classify the following reaction into –
- Direct combination
- Decomposition
- Displacement
- Double decomposition
The reaction is – Zinc reacts with copper [II] sulphate to give zinc sulphate and copper.
\[\ce{Pb + CuCl2 -> PbCl2 + Cu}\]
The above reaction is an example of:
