What is galvanization ?...

What is galvanization ?

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It is the process of coating iron sheets with zinc metal so as to protect them from rusting.

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Which metal is used to protect the iron sheets from rusting by a process known as galvanization ?

A metal 'M' is found in nature as its carbonate. It is used in the galvanization of iron. Identify 'M' and name its ore. How will you convert this ore into free metal ?

Explain why : Iron sheets are coated with zinc during galvanization.

What is the direction of flow of electrons in a galvanic cell?

Draw the diagram a of galvanic cell involving following reactions : Zn+Cu^(+) to Zn^(2+) +Cu and answer the following questions: (i) Label the cathode and anode (ii) How does the e.m.f. of the cell changes with the decrease in the concentration of Cu^(2+) ions ? (iii) What is the function of salt bridge in it? (iv) Name the salt to be used in salt bridge. (v) Write the reactions occurring at each electrode. (vi) In which direction the electrons would flow in the external circuit? (vii) How electrical neutrality is maintained in both the half cells?

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What is the free energy change (DeltaG) for galvanic and electrolytic cel ?

For a reaction in a galvanic cell the value of -/_\G^(@) at certain temperature is not necessarily equal to:

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Zine can be coated on iron to produce galvanized iron but the reverse is not possible it is because

ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (VERY SHORT ANSWER QUESTIONS)

What are the constituents of anode mud formed during electrolytic refi...
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Which metal is used to protect the iron sheets from rusting by a proce...
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What is galvanization ?
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Give two important uses of zinc metal.
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Name three different forms of iron.
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Out of cast iron and wrought iron, which is more malleable?
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Which metals are present in Chlorophyll
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Which metals are present in Haemoglobin
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Name the elements which are recovered commercially from sea water.
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What is "Spiegel" ? When is it used ?
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Name a noble metal and a metalloid.
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Give one example each of a liquid metal and a noble metal.
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Why is zinc not extracted from zinc oxide through reduction using CO?
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Write chemical reactions taking place in the extraction of zinc from z...
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Which metal is used to protect the iron sheets from rusting by a proce...
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How is galena (PbS) present as impurity removed from the ore of zinc b...
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Write a balanced equation for the reaction of argentite with KCN and n...
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In moist air, copper corrodes to produce a green layer on the surface....
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In which of the following cases flux is required? (i) In the smelti...
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What is anode mud" in connection with the metallurgy of copper? What i...
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