Which electrode acts as the site of reduction in a galvanic cell?
Anonymous Quiz
56%
A) Cathode
28%
B) Anode
15%
C) Both
1%
D) None
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What is the charge on an electron?
Anonymous Quiz
27%
A) +1.6 × 10⁻¹⁹ C
71%
B) –1.6 × 10⁻¹⁹ C
2%
C) 0
1%
D) 1 C
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Human reproduction.pdf
54.1 MB
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✔️ Aur kuch doubt lge toh fir se video dekh lena
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✔️ Aur kuch doubt lge toh fir se video dekh lena
👉 https://www.youtube.com/watch?v=eTdddRChf8k
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What is the oxidation number of Zn in a Zn²⁺ ion?
Anonymous Quiz
6%
A) +1
81%
B) +2
6%
C) 0
6%
D) –2
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Which of the following is used as an electrolyte in a dry cell?
Anonymous Quiz
32%
A) NaCl
31%
B) KCl
19%
C) NH₄Cl
17%
D) ZnCl₂
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Next Toppers - 12th Science
Test-2 Solutions.pdf
Test-2 Physics
Chapter 2 - Electrostatic Potential & Capacitance
15 June- 2025
Chapter 2 - Electrostatic Potential & Capacitance
15 June- 2025
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In an electrochemical cell, electrons flow from:
Anonymous Quiz
42%
A) Cathode to anode
10%
B) Electrolyte to electrode
42%
C) Anode to cathode
6%
D) Salt bridge to electrolyte
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Salt bridge is used to:
Anonymous Quiz
7%
A) Provide electrons
15%
B) Complete the circuit
35%
C) Maintain electrical neutrality
43%
D) Both B and C
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Which metal has the highest standard electrode potential?
Anonymous Quiz
47%
A) Zn
24%
B) Cu
15%
C) Li
13%
D) Ag
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