Chemical Cells & Fuel Cells (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What do electrochemical cells convert into electrical energy?
What do electrochemical cells convert into electrical energy?
Chemical energy
How do electrochemical cells differ from electrolysis?
How do electrochemical cells differ from electrolysis?
Cells generate voltage from reactions
How many electrodes does an electrochemical cell have?
How many electrodes does an electrochemical cell have?
Two
Which metals are typically used to make electrodes?
Which metals are typically used to make electrodes?
Copper, zinc, or platinum
What does the electrolyte in an electrochemical cell contain?
What does the electrolyte in an electrochemical cell contain?
Ions
What is the typical voltage range for a single electrochemical cell?
What is the typical voltage range for a single electrochemical cell?
2 to 3 V
What is the total voltage of three cells with 1.5 V, 2.0 V, and 1.0 V connected in series?
What is the total voltage of three cells with 1.5 V, 2.0 V, and 1.0 V connected in series?
V
How does the reactivity difference between electrode metals affect voltage?
How does the reactivity difference between electrode metals affect voltage?
Greater differences give higher voltages
What other factor, besides metal reactivity, influences the voltage of a cell?
What other factor, besides metal reactivity, influences the voltage of a cell?
Type of electrolyte
What determines if a battery is rechargeable or non-rechargeable?
What determines if a battery is rechargeable or non-rechargeable?
If reactions are reversible or not
Why must non-rechargeable batteries be replaced when exhausted?
Why must non-rechargeable batteries be replaced when exhausted?
Chemical reactions are irreversible
How are rechargeable batteries restored?
How are rechargeable batteries restored?
Applying external voltage reverses reactions