wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Consider the following statements and arrange in the order of true/false as given in the codes.
S1: In the aluminothermite process, aluminium acts as reducing agent.
S2: The process of extraction of gold involves the formation of [Au(CN2)] and [Zn(CN)4]2.
S3: In the extractive metallurgy of zinc, partial fusion of ZnO with coke is called smelting and reduction of ore to the molten metal is called smelting.

A
TFF
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
TTT
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
TTF
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
TFT
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is D TTT
S1:Cr2O3+2Al+3Al2O3+2Cr.
S2:4Au+8Cn+4H2O+O24[Au(CN)2]+4OH and 2[Au(CN)2]+Zn[Zn(CN)4]2+2Au.
S3: In the extractive metallurgy of zinc, partial fusion of ZnO with coke is called smelting and reduction of ore to the molten metal is called smelting.


flag
Suggest Corrections
thumbs-up
0
similar_icon
Similar questions
View More
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Smelting
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon