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1995 WAEC Chemistry Theory (a) Name the device used for producing an electric current from a chemical (b) Copy...

Chemistry
WAEC 1995

(a) Name the device used for producing an electric current from a chemical

(b) Copy and complete the table below.

Electrolyte

Product at the anode (carbon)

Product at the cathode (carbon)

Dilute NaCl\(_{(aq)}\)

Concentrated NaCI\(_{(aq)}\)

   

 

 

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Explanation

(a) The device is electro chemical cell or voltaic cell

(b)

Electrolyte

Product at the anode (carbon)

Product at the cathode (carbon)

Dilute NaCl\(_{(aq)}\)

Concentrated NaCI\(_{(aq)}\)

Oxygen (O\(_2\))

Chloride (Cl\(_2\))

 

Hydrogen (H\(_2\))

Hydrogen (H\(_2\))

 


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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free