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What Will Happen If a Strip of Zinc is Immersed in a Solution of Copper Sulphate? - Science

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प्रश्न

What will happen if a strip of zinc is immersed in a solution of copper sulphate?

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उत्तर

If a zinc strip is immersed in a solution of copper sulphate, the blue colour of copper sulphate fades due to the formation of colourless zinc sulphate. The metal, copper, reddish-brown in colour is deposited on the zinc strip.
CuSO4(aq) +  Zn(s) → ZnSO4(aq) + Cu(s)

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३२]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 25 | पृष्ठ १३२

संबंधित प्रश्‍न

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be:


Explain the following reaction with the help of a balanced chemical equation:
Magnesium reacts with hot water.


Which of the two metals is more reactive: copper or silver?


What will happen if a strip of copper is kept immersed in a solution of silver nitrate (AgNO3)?


What type of oxides are formed when metals combine with oxygen? Explain with the help of an example.


What happens when a rod of zinc metal is dipped into a solution of copper sulphate? Give chemical equation of the reaction involved.


Name two metals which cannot displace hydrogen from dilute acids.


Describe the reaction of potassium with water. Write the equation of the reaction involved.


What is the action of water on magnesium ? Write equation of the chemical reaction involved.


What special name is given to substances like aluminium oxide.


You are given a solution of AgNO3. Which of the following do you think cannot displace Ag from AgNO3solution?
(a) Magnesium
(b) Zinc
(c) Gold
(d) Copper


An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be:
(a) S
(b) Ca
(c) C
(d) Ag


Metal A burns in air, on heating, to form an oxide A2O3 whereas another metal B burns in air only on strong heating to form an oxide BO. The two oxides A2O3 and BO can react with hydrochloric acid as well as sodium hydroxide solution to form the corresponding salts and water.
(a) What is the nature of oxide A2O3?
(b) What is the nature of oxide BO?
(c) Name one metal like A.
(b) Name one metal like B.


State and explain the reaction, if any, of the following metals with a solution of copper sulphate:
(a) Gold
(b) Copper
(c) Zinc
(d) Mercury


Where does the metal aluminium, used in the process, occurs in the reactivity series of metals?


A cable manufacturing unit tested few elements on the basisof their physical properties.

Properties W X Y Z
Malleable Yes No No Yes
Ductile Yes No No Yes
Electrical conductivity Yes Yes Yes No
Melting Point High Low Low High

Which of the above elements were dicarded for usage by the company?


Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?


Which of the following property is not responsible for copper to be used as electrical conduction wires?


Tungsten wire is used in electric bulbs.


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