The material mixed before ore is subjected for smelting in the extraction of iron are : (a) coke...

Channel:
PW Solutions
Subscribers:
456,000
Published on ● Video Link: https://www.youtube.com/watch?v=eAC7SMg5C7k


Duration: 1:22
0 views
0

The material mixed before ore is subjected for smelting in the extraction of iron are :
(a) coke and silica
(b) coke and limestone
(c) limestone and silica
(d) coke, limestone and silica
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-10-27Silver can be separated from lead by : (a) fractional crystallisation (b) amalgamation (c) cupel...
2022-10-27In which of the following metallurgy, no reducing agent is required from out side? (a) Mercury f...
2022-10-27Lead is mainly extracted by: (a) Carbon reduction method (b) Self-reduction method (c) Electroly...
2022-10-27The element which is recovered from electrolytic process is: (a) iron (b) lead (c) aluminium
2022-10-27In the alumino-thermite process, \( \mathrm{Al} \) metal acts as : (a) oxidising agent (b) reduc...
2022-10-27\( \underset{\text { 1. } \mathrm{Hg}(\mathrm{OAc})_{2}}{\longrightarrow} \) MaBH \( \mathrm{Naj...
2022-10-27Impure aluminium is purified by : (a) Baeyer's process (b) Hall's process (c) Hoop's process (d)...
2022-10-27Which is not correctly matched? \( \begin{array}{lll}\text { (a) Spiegleisan } & : & \mathrm{Mn}...
2022-10-27The reduction of an oxide by aluminium is called : (a) Beeyer's process (b) Goldschmidt's alumin...
2022-10-27In the presence of \( \mathrm{PbS} \) and \( \mathrm{ZnS} \) in a mineral, the froth floatation ...
2022-10-27The material mixed before ore is subjected for smelting in the extraction of iron are : (a) coke...
2022-10-27Which of the following reaction does not occur in Bessemer's converter? (a) \( 2 \mathrm{Cu}_{2}...
2022-10-27Which method is not correct given for refining of crude metals? (a) Distillation : zinc and merc...
2022-10-27Select the incorrect chemical reaction : (a) \( \mathrm{CuSO}_{4}(a q)+\mathrm{NH}_{4} \mathrm{O...
2022-10-27Which of the following set of elements mostly occur as sulphide ores? (a) \( \mathrm{Zn}, \mathr...
2022-10-27What products are formed during, the electrolysis of a concentrated aqueous solution of \( \math...
2022-10-27At high temperature, nitrogen combine with \( \mathrm{CaC}_{2} \) to give : (a) Calcium cyanide ...
2022-10-27Which of the following ores are correctly matched against reduction method ? (a) Self reduction ...
2022-10-27In order to refine blister copper it is melted in a furnace and it is stirred with green logs of...
2022-10-27During the electrolysis of carnallite, \( \mathrm{MgCl}_{2} \) is decomposed and not \( \mathrm{...
2022-10-27In poling, hydrocarbon released from green wood pole does not react with which of the following ...


Tags:
pw