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Class X

Class X - English
First Flight (22 Chapters)|
Words and Expressions - II (9 Chapters)|
Foot Prints Without feet (9 Chapters)
Class X - Health and Physical Education
Health and Physical Education (13 Chapters)
Class X - Hindi
Kshitij - II (13 Chapters)|
Sparsh (14 Chapters)|
Sanchayan - II (3 Chapters)|
Kritika (3 Chapters)
Class X - Mathematics
Mathematics (14 Chapters)
Class X - Sanskrit
Vyakaranavithi (14 Chapters)|
Shemushi - II (12 Chapters)|
Abhyaswaan Bhav - II (14 Chapters)
Class X - Science
Science (13 Chapters)
Class X - Social Science
Understanding Economic Development (5 Chapters)|
Contemporary India (7 Chapters)|
India and the Contemporary World - II (5 Chapters)|
Democratic Politics (5 Chapters)
Class X - Urdu
Nawa-e-urdu (11 Chapters)
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Class X
Science
Science
Chemical Reactions and Equatio...
Question Bank

Explain the difference between...

Single Answer MCQ
Q-00001779

Explain the difference between physical and chemical changes in matter.

1

Physical changes are reversible, while chemical changes are irreversible

2

Physical changes involve a change in chemical composition, while chemical changes do not

3

Physical changes alter the state of matter, while chemical changes do not

4

Physical changes do not involve energy changes, while chemical changes do

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Chapters related to "Class X"

Acids, Bases and Salts

Acids, Bases and Salts

Explore the properties, reactions, and uses of acids, bases, and salts in everyday life and their importance in chemistry.

Metals and Non-metals

Metals and Non-metals

Explore the properties, reactions, and uses of metals and non-metals, understanding their role in daily life and industrial applications.

Carbon and its Compounds

Carbon and its Compounds

Explore the versatile world of carbon, its allotropes, and the vast array of compounds it forms, including hydrocarbons and their derivatives, in this comprehensive chapter.

Life Processes

Life Processes

Life Processes explores the essential functions that sustain living organisms, including nutrition, respiration, transportation, and excretion.

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What is a chemical reaction and how do we know when it has taken place?

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Explain the difference between physical and chemical changes in matter.

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What is a chemical reaction and how do we know when it has taken place?

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What is a chemical reaction and how is it different from a physical change?

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Explain the concept of atoms not changing into different elements during a chemical reaction.

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How do chemical reactions involve the breaking and making of bonds between atoms?

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Define a combination reaction and provide an example.

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What is an exothermic reaction and provide examples of such reactions.

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Why is it important to clean a magnesium ribbon before burning it in air?

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Write a balanced chemical equation with state symbols for the reaction between barium chloride and sodium sulfate.

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Chemical Reactions and Equations Summary, Important Questions & Solutions | All Subjects

Question Bank

Question Bank

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Worksheet

Revision Guide

Revision Guide

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Flash Cards

Formula Sheet

Formula Sheet