Of the following reduction processes -I- Fe2O3 - C - Fe II- ZnO - C - ZnIII- Ca3PO42 - C - PIV- PbO - C - PbCorrect processes are -

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard X

Chemistry

Extraction of Iron

Of the follow...

Question

Of the following reduction processes :
I. $F e_{2} O_{3} + C \to F e$
II. $Z n O + C \to Z n$
III. $C a_{3} (P O_{4})_{2} + C \to P$
IV. $P b O + C \to P b$
Correct processes are :

II and IV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

III and IV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

I , II and IV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

all of these

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is B all of these
The ore is reduced to metal by reduction with carbon. This is carried out during smelting. All the given four processes are correct.

Suggest Corrections

Similar questions

Q. Out of the following reduction process-

A : {F e}_{2} O_{3} + C ⟶ F e + C O_{2}

B : Z n O + C ⟶ Z n + C O_{2}

C : S n O_{2} + C ⟶ S n + C O_{2}

D : P b O + C ⟶ P b + C O_{2}

Correct processes are:

Which of the following process / processes release heat ?
(i) condensation (ii) vaporisation (iii) freezing (iv) melting

(a) only (i) (b) only (iv) (c) (i) and (iii) (d) (ii) and (iv)

Q. Match the information given in the three columns of the following table.

Column 1: Metal

Column 2: Ores

Column 3: Composition
The only correct combination in which “Auto Reduction” is used for the extraction of metal:

\begin{matrix} Column 1 & Column 2 & Column 3 (I) & Aluminium & (i) & Haematite & (P) & C u F e S_{2} (I I) & Iron & (i i) & Zinc blende & (Q) & A l O_{x} (O H)_{3 - 2 x} (I I I) & Copper & (i i i) & Bauxite & (R) & F e_{2} O_{3} (I V) & Zinc & (i v) & Copper pyrite & (S) & Z n S \end{matrix}

Pick out the correct element from the following:

(i) C (ii) Si (iii) Pb (iv) Ge

Question 4

Which of the following are exothermic processes?

(i) Reaction of water with quicklime
(ii) Dilution of an acid
(iii) Evaporation of water
(iv) Sublimation of camphor (crystals)

(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (iii) and (iv)

Join BYJU'S Learning Program

Of the following reduction processes :I. Fe2O3+C→Fe II. ZnO+C→ZnIII. Ca3(PO4)2+C→PIV. PbO+C→PbCorrect processes are :

The correct option is B all of theseThe ore is reduced to metal by reduction with carbon. This is carried out during smelting. All the given four processes are correct.

Of the following reduction processes :
I. $F e_{2} O_{3} + C \to F e$
II. $Z n O + C \to Z n$
III. $C a_{3} (P O_{4})_{2} + C \to P$
IV. $P b O + C \to P b$
Correct processes are :

The correct option is B all of these
The ore is reduced to metal by reduction with carbon. This is carried out during smelting. All the given four processes are correct.