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Test: Redox Reactions - Class 10 MCQ


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3 Questions MCQ Test Science Class 10 - Test: Redox Reactions

Test: Redox Reactions for Class 10 2024 is part of Science Class 10 preparation. The Test: Redox Reactions questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Redox Reactions MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Redox Reactions below.
Solutions of Test: Redox Reactions questions in English are available as part of our Science Class 10 for Class 10 & Test: Redox Reactions solutions in Hindi for Science Class 10 course. Download more important topics, notes, lectures and mock test series for Class 10 Exam by signing up for free. Attempt Test: Redox Reactions | 3 questions in 10 minutes | Mock test for Class 10 preparation | Free important questions MCQ to study Science Class 10 for Class 10 Exam | Download free PDF with solutions
Test: Redox Reactions - Question 1
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What is the substance gaining oxygen and being oxidized during the described reaction?

Detailed Solution for Test: Redox Reactions - Question 1

In the given reaction, the hydrogen is gaining oxygen and is being oxidized. This means that hydrogen is losing electrons and undergoing a process where it gains oxygen atoms. Understanding the roles of different elements in redox reactions is key to comprehending chemical transformations.

Test: Redox Reactions - Question 2
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In a redox reaction, if a substance gains oxygen or loses hydrogen, it is said to be:

Detailed Solution for Test: Redox Reactions - Question 2
In redox reactions, if a substance gains oxygen or loses hydrogen, it is considered to be oxidised. This process involves the increase in the oxidation state of an atom or molecule. Oxidation results in the loss of electrons or an increase in oxidation state. Therefore, when a substance gains oxygen or loses hydrogen during a reaction, it is undergoing oxidation.
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Test: Redox Reactions - Question 3
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What is the term for a reaction where one reactant gains oxygen while another loses oxygen?

Detailed Solution for Test: Redox Reactions - Question 3
Reactions in which one reactant gains oxygen (is reduced) while another reactant loses oxygen (is oxidized) are known as redox reactions. These reactions are fundamental in various chemical processes and are essential for life, such as in energy production and metabolism.
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