CBSE Class 12 Biology
Sample Paper with Detailed Analysis 2026
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CBSE Class 12 Chemistry Sample Paper Solutions 2025-26 with Detailed Analysis
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CBSE Class 12 Physics Sample Paper 2025-26 with Detailed Solution
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Q1. Which law verifies the conservation of electric charge?
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45%
Kirchhoff's First Law
26%
Ohm's Law
17%
Gauss's Law
12%
Ampere's Law
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CBSE Compartment Exam 2025 | Class 12th Result Out | How to Check Compartment Exam 2025 Result π₯
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Q3. The resistivity of a conductor depends on:
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16%
Length
34%
Cross-sectional area
40%
Material and temperature
10%
Current through it
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CBSE Class 12 Maths Sample Paper 2025-26 with Detailed Solutionsπ°
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CBSE Class 12 Biology Sample Paper 2025-26 with Detailed Solutions
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CUET 2026 Physics | Complete Book 1 Concept + MCQs | Backlog Series | By Gajendra Sir
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Which reaction is a redox reaction?
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31%
HCl + NaOH β NaCl + HβO
28%
AgNOβ + NaCl β AgCl + NaNOβ
31%
Zn + CuSOβ β ZnSOβ + Cu
10%
BaClβ + HβSOβ β BaSOβ + 2HCl
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In a redox reaction, oxidation involves:
Anonymous Quiz
34%
Gain of electrons
50%
Loss of electrons
12%
Gain of protons
4%
Loss of neutrons
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Reduction is defined as:
Anonymous Quiz
24%
Addition of oxygen
28%
Loss of hydrogen
42%
Gain of electrons
7%
Increase in oxidation number
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Oxidizing agent is a substance that:
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29%
Gains electrons
39%
Loses electrons
13%
Is reduced
20%
Both A and C
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Which of the following represents oxidation?
Anonymous Quiz
21%
Clβ β 2Clβ»
48%
FeΒ²βΊ β FeΒ³βΊ
25%
CuΒ²βΊ β Cu
6%
Hβ β 2HβΊ
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In the reaction: Zn + HβSOβ β ZnSOβ + Hβ, the reducing agent is:
Anonymous Quiz
32%
Zn
40%
HβSOβ
22%
HβΊ
6%
SOβΒ²β»
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