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What is a key difference between physical and chemical changes?a)Physical changes are always reversible, while chemical changes are irreversible.b)Physical changes involve a change in the chemical composition of a substance, while chemical changes do not.c)Physical changes alter the state or appearance of a substance without changing its chemical composition, while chemical changes result in the formation of new substances.d)Physical changes are always faster than chemical changes.Correct answer is option 'C'. Can you explain this answer? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about What is a key difference between physical and chemical changes?a)Physical changes are always reversible, while chemical changes are irreversible.b)Physical changes involve a change in the chemical composition of a substance, while chemical changes do not.c)Physical changes alter the state or appearance of a substance without changing its chemical composition, while chemical changes result in the formation of new substances.d)Physical changes are always faster than chemical changes.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is a key difference between physical and chemical changes?a)Physical changes are always reversible, while chemical changes are irreversible.b)Physical changes involve a change in the chemical composition of a substance, while chemical changes do not.c)Physical changes alter the state or appearance of a substance without changing its chemical composition, while chemical changes result in the formation of new substances.d)Physical changes are always faster than chemical changes.Correct answer is option 'C'. Can you explain this answer?.

Solutions for What is a key difference between physical and chemical changes?a)Physical changes are always reversible, while chemical changes are irreversible.b)Physical changes involve a change in the chemical composition of a substance, while chemical changes do not.c)Physical changes alter the state or appearance of a substance without changing its chemical composition, while chemical changes result in the formation of new substances.d)Physical changes are always faster than chemical changes.Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 6. Download more important topics, notes, lectures and mock test series for Class 6 Exam by signing up for free.

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