(A) The currency of the $UK$ (British Pound coins) is primarily made of a cupronickel alloy. Specifically,the $5p, 10p, 20p,$ and $50p$ coins consist

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(A) The currency of the $UK$ (British Pound coins) is primarily made of a cupronickel alloy. Specifically,the $5p, 10p, 20p,$ and $50p$ coins consist of $75\%$ copper and $25\%$ nickel. The $£1$ and $£2$ coins are bimetallic,consisting of alloys of copper,zinc,and nickel.

Class 12 Chemistry General Principles and Processes of Isolation of Elements Mix Examples of General Principles and processes of Isolation of Elements

Easy

Which metals are used in the currency of the $UK$?

A
Copper and Nickel
B
Gold and Silver
C
Iron and Steel
D
Aluminum and Zinc

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Mix Examples of General Principles and processes of Isolation of Elements

Match List $I$ with List $II$.

List $I$ List $II$

$A$. Reverberatory furnace $I$. Pig Iron

$B$. Electrolytic cell $II$. Aluminum

$C$. Blast furnace $III$. Silicon

$D$. Zone Refining furnace $IV$. Copper

List $I$	List $II$
$A$. Reverberatory furnace	$I$. Pig Iron
$B$. Electrolytic cell	$II$. Aluminum
$C$. Blast furnace	$III$. Silicon
$D$. Zone Refining furnace	$IV$. Copper

MediumJEE MAIN 2023

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The statement that is $INCORRECT$ about Ellingham diagram is :

MediumJEE MAIN 2021

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Which of the following alloys contains $Sn$ metal?

Easy

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Match the items under List-$I$ with the compounds/elements from the List-$II$. Select the correct answer from the sets $(a), (b), (c)$ and $(d)$.
List-$I$ List-$II$
$(i)$ Explosive $(A)$ $NaN_3$
$(ii)$ Artificial gem $(B)$ $Fe_3O_4$
$(iii)$ Self reduction $(C)$ $Sn$
$(iv)$ Magnetic material $(D)$ $Al_2O_3$
$(E)$ $Pb(N_3)_2$
$(F)$ $Fe_2O_3$
$(G)$ $Cu$
$(H)$ $SiC$

List-$I$	List-$II$
$(i)$ Explosive	$(A)$ $NaN_3$
$(ii)$ Artificial gem	$(B)$ $Fe_3O_4$
$(iii)$ Self reduction	$(C)$ $Sn$
$(iv)$ Magnetic material	$(D)$ $Al_2O_3$
	$(E)$ $Pb(N_3)_2$
	$(F)$ $Fe_2O_3$
	$(G)$ $Cu$
	$(H)$ $SiC$