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Byju's Answer

Standard VII

Chemistry

Minerals, Ores and their Formation

Match the com...

Question

Match the compounds and choose the correct alternatives:

A B
I. $P b_{3} O_{4}$ W. white lead
II. $(P b C O_{3})_{2} . P b (O H)_{2}$ X. rust proofing sheets
III. $C a_{2} P b O_{4}$ Y. road signs and markings
IV. $P b C r O_{4}$ Z. red lead

I-Y, II-Z, III-X, IV-W

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I-X, II-W, III-Y, IV-Z

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I-Z, II-W, III-X, IV-Y

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I-X,II-Y, III-W, IV-Z

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Solution

The correct option is C I-Z, II-W, III-X, IV-Y
I. Trilead tetroxide $(P b_{3} O_{4})$ is also called a red lead, minium or sindhur.

II. $2 P b C O_{3} . P b (O H)_{2}$ is basic lead carbonate also known as white lead.

III. $C a_{2} P b O_{4}$ is used in rustproofing sheets.

IV. $P b C r O 4$ is used for road signs and markings.

Thus option C is the right answer.

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	A		B
I.	$P b_{3} O_{4}$	W.	white lead
II.	$(P b C O_{3})_{2} . P b (O H)_{2}$	X.	rust proofing sheets
III.	$C a_{2} P b O_{4}$	Y.	road signs and markings
IV.	$P b C r O_{4}$	Z.	red lead

Match the compounds and choose the correct alternatives: A B I. Pb3O4 W. white lead II. (PbCO3)2.Pb(OH)2 X. rust proofing sheets III. Ca2PbO4 Y. road signs and markings IV. PbCrO4 Z. red lead

Match the compounds and choose the correct alternatives:

A B
I. $P b_{3} O_{4}$ W. white lead
II. $(P b C O_{3})_{2} . P b (O H)_{2}$ X. rust proofing sheets
III. $C a_{2} P b O_{4}$ Y. road signs and markings
IV. $P b C r O_{4}$ Z. red lead