June 13, 2021, 11:17:48 AM
Forum Rules: Read This Before Posting


Topic: Few questions.  (Read 289 times)

0 Members and 1 Guest are viewing this topic.

Offline crunkaintdead

  • Very New Member
  • *
  • Posts: 2
  • Mole Snacks: +0/-1
Few questions.
« on: May 08, 2021, 07:40:26 AM »
1.
When copper is plated on steel, anode is made up of ___.

A) Steel
B)Oxygen
c) copper
D) carbon


2. In electrorefining of copper, 1% of H2SO4 is added to electrolyte  to _______.
A) increase its conductivity
B) increase its dilution
C) DECREASE its conductivity
D) decrease its concentration

3. When the current is passed through an electrolyte solution, which of the following will occur ?
A)anions move towards anode and cations will move towards cathode
B) cations and anions both move towards anode
C) cations and anions both move towards cathode
D)anions move towards cathode and cations move towards anode

4. Which one of the following conducts electricity due to migration of electrons
A) copper metal
B) fused NaCl
C) solid NaCl
D) solution of NaCl

5. Which one of the following is good conductor of electricity ?

A) pure water
B) impure water
C) chloroform
D) none of these




Sorry for bothering and thanks.

Offline Meter

  • Full Member
  • ****
  • Posts: 216
  • Mole Snacks: +13/-2
  • Take what I say with a grain of salt
Re: Few questions.
« Reply #1 on: May 08, 2021, 07:43:08 AM »
You have to show your own attempt before we can help.

Offline crunkaintdead

  • Very New Member
  • *
  • Posts: 2
  • Mole Snacks: +0/-1
Re: Few questions.
« Reply #2 on: May 08, 2021, 10:59:58 AM »
Either help or just ignore

Online billnotgatez

  • Global Moderator
  • Sr. Member
  • ***
  • Posts: 4217
  • Mole Snacks: +215/-58
  • Gender: Male
Re: Few questions.
« Reply #3 on: May 08, 2021, 11:26:36 AM »
Either help or just ignore

Everyone will ignore if they follow the forum rules

This is a forum policy.
Click on the link near the top center of the forum page.
Forum Rules: Read This Before Posting.
http://www.chemicalforums.com/index.php?topic=65859.0

No need to report to moderator
all moderators abide and support the forum rules



Offline Babcock_Hall

  • Chemist
  • Sr. Member
  • *
  • Posts: 4730
  • Mole Snacks: +281/-21
Re: Few questions.
« Reply #4 on: May 11, 2021, 02:31:56 PM »
@OP,

What is your answer regarding question 4?

Sponsored Links