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Chemistry Forums for Students => High School Chemistry Forum => Topic started by: crunkaintdead on May 08, 2021, 07:40:26 AM

Title: Few questions.
Post by: crunkaintdead 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.

Title: Re: Few questions.
Post by: Meter on May 08, 2021, 07:43:08 AM

You have to show your own attempt before we can help.

Title: Re: Few questions.
Post by: crunkaintdead on May 08, 2021, 10:59:58 AM

Either help or just ignore

Title: Re: Few questions.
Post by: billnotgatez on May 08, 2021, 11:26:36 AM

Quote from: crunkaintdead on May 08, 2021, 10:59:58 AM

Either help or just ignore

Everyone will ignore if they follow the forum rules

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Title: Re: Few questions.
Post by: Babcock_Hall on May 11, 2021, 02:31:56 PM

@OP,

What is your answer regarding question 4?