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Byju's Answer

Standard XII

Chemistry

Extraction of Aluminium

Match Column ...

Question

Match Column - I (metal) with Column - II (ores) and select the correct answer by choosing an appropriate option :-

Column - I Column - II

A. Mn p. Magnetite

B. Zn q. Pyrolusite

C. Fe r. Calamine

D. Hg s. Cinnabar

A \to s; B \to r; C \to q; D \to p

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A \to q; B \to r; C \to p; D \to s

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A \to r; B \to q; C \to p; D \to s

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A \to p; B \to r; C \to s; D \to q

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Solution

The correct option is B $A \to q; B \to r; C \to p; D \to s$
$M n \to$ Pyrolusite $(M n O_{2})$
$Z n \to$ Calamine $(Z n C O_{3})$
$F e \to$ Magnetite $(F e_{3} O_{4})$
$H g \to$ Cinnabar $(H g S)$

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Similar questions

Q. Match the Column-I with Column-II. Choose the correct option among the following
Column – I Column – II
(A) Borax (p)

s p^{3}

hybridization of B
(B)

B F_{3}

(q)

s p^{2}

hybridization of B
(C) Diborane (r) Triangular unit
(D) Boric acid (s) Tetrahedral unit

Q. Match the following by appropriately matching the lists based on the information given in

Column I

and

Column II

\begin{matrix} C o l u m n I & C o l u m n I I (T y p e o f △ A B C) a. cot \frac{A}{2} = \frac{b + c}{a} & p. always right angled b. a tan A + b tan B = (a + b) tan \frac{A + B}{2} & q. always isosceles c. a cos A = b cos B & r. may be right angled d. cos A = \frac{sin B}{2 sin C} & s. may be right angled isosceles \end{matrix}

Q. Match the Column-I with Column-II. Choose the correct option among the following
Column – I Column – II
(A)

B i^{3 +} ⟶ (B i O)^{+}

(p) Heat

(B)

(A l O_{2}^{-}) ⟶ A l (O H)_{3}

(q) Hydrolysis

(C)

S i O_{4}^{4 -} ⟶ S i_{2} O_{7}^{6 -}

(r) Acidification

(D)

B_{4} O_{7}^{2 -} ⟶ [B (O H)_{3}]

(s) Dilution by water

Q. Match Column -1 (molecule) with Column - II (shape):

\begin{matrix} C o l u m n - I & C o l u m n - I I (a) & P_{4} & (p) & C r o w n (b) & S_{8} & (q) & P o l y m e r i c (d i m e r i c) (c) & A l C l_{3} & (r) & T e t r a h e d r a l (d) & P C l_{5} & (s) & T r i g o n a l b i p y r a m i d a l \end{matrix}

Match the two columns.
$\begin{matrix} C o l u m n - I & C o l u m n - I I (A) A b s c i s s a & (p) x (B) O r d i n a t e & (q) y (C) C o - o r d i n a t e & (r) x, y (D) O r i g i n & (s) 0 \end{matrix}$
Choose the correct option:

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Column - I	Column - II
A. Mn	p. Magnetite
B. Zn	q. Pyrolusite
C. Fe	r. Calamine
D. Hg	s. Cinnabar

Match Column - I (metal) with Column - II (ores) and select the correct answer by choosing an appropriate option :- Column - I Column - II A. Mn p. Magnetite B. Zn q. Pyrolusite C. Fe r. Calamine D. Hg s. Cinnabar

The correct option is B A→q ;B→r ;C→p ;D→sMn→ Pyrolusite(MnO2) Zn→ Calamine(ZnCO3) Fe→ Magnetite(Fe3O4) Hg→ Cinnabar(HgS)

Match Column - I (metal) with Column - II (ores) and select the correct answer by choosing an appropriate option :-

Column - I Column - II

A. Mn p. Magnetite

B. Zn q. Pyrolusite

C. Fe r. Calamine

D. Hg s. Cinnabar

The correct option is B $A \to q; B \to r; C \to p; D \to s$
$M n \to$ Pyrolusite $(M n O_{2})$
$Z n \to$ Calamine $(Z n C O_{3})$
$F e \to$ Magnetite $(F e_{3} O_{4})$
$H g \to$ Cinnabar $(H g S)$