The given figure shows the most commonly employed method for the purification of metals. When an aqueous solution containing ions of metal M is electrolysed .
A
M forms negative ions
B
M ions gain electrons at the cathode
C
Pure M is deposited at the anode
D
Cathode becomes thinner as the process proceeds.
Text Solution
Verified by Experts
The correct Answer is:
B
Topper's Solved these Questions
NSO QUESTION PAPER 2019 SET B
SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|2 Videos
NSO QUESTION PAPER 2019 SET A
SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTIONS|1 Videos
NSO QUESTION PAPER 2020 SET 1
SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|2 Videos
Similar Questions
Explore conceptually related problems
When is 'polling' used as the method of purification of metals ?
Which of the following metal ions is colored in aqueous solution ?
Which one of the transittion metal ions is coloured in aqueous solution?
The following are some of the methods commonly employed for the extraction of metals from their ores. Which of the following methods is generally employed for the extraction of sodium ?
The correct order of mobility of alkali metal ions in aqueous solution is
SCIENCE OLYMPIAD FOUNDATION -NSO QUESTION PAPER 2019 SET B-ACHIEVERS SECTION
