Match the conversion in C o l u m n I with the types of reactions given in C o l u m n I I -WhineA- PbS longrightarrow PbO - p- - Roastingll lhlineD- Cu2S Vongrightarrow Cu - s- Self-reductionll lendarray A- A- - p - s - B - - q - C - - p - q - r - D - - p - s -B- A- - s - B - - q - C - - p - r - D - - p - s-C- A- - p - s - B - - q - r - C - - p - r - D - - p - s -D- A- - p - B - - q - C - - p - r - D - - p - s -

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Electrolytic Refining of Copper

Match the con...

Question

Match the conversion in $C o l u m n I$ with the type(s) of reaction(s) given in $C o l u m n I I$ .
$\begin{matrix} C o l u m n I & C o l u m n I I A . & P b S ⟶ P b O & p . & R o a s t i n g B . & C a C O_{3} ⟶ C a O & q . & C a l c i n a t i o n C . & Z n S ⟶ Z n & r . & C a r b o n r e d u c t i o n D . & C u_{2} S ⟶ C u & s . & S e l f - r e d u c t i o n \end{matrix}$

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

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

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

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

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C o l u m n I

C o l u m n I I

\begin{matrix} C o l u m n I & C o l u m n I I A . & P b S ⟶ P b O & p . & R o a s t i n g B . & C a C O_{3} ⟶ C a O & q . & C a l c i n a t i o n C . & Z n S ⟶ Z n & r . & C a r b o n r e d u c t i o n D . & C u_{2} S ⟶ C u & s . & S e l f - r e d u c t i o n \end{matrix}

Column I

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}

\begin{matrix} Column -I & Column -II (a) N H_{4} C l & (P) Hydrogen bond (b) C u S O_{4} .5 H_{2} O & (Q) Co-ordinate bond (c) H N C & (R) Ionic bond (d) L i q u i d H_{2} O_{2} & (S) Covalent bond \end{matrix}

\begin{matrix} Column -I & Column -II (a) N H_{4} C l & (P) Hydrogen bond (b) C u S O_{4} .5 H_{2} O & (Q) Coordinate bond (c) H N C & (R) Ionic bond (d) L i q u i d H_{2} O_{2} & (S) Covalent bond \end{matrix}

s p^{3}

B F_{3}

s p^{2}

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