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Chemistry chapter 3 science NCERT Grade 9 > Atoms and Molecules long 1 > Flashcards

Atoms and Molecules long 1 Flashcards

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1
Q

What are compounds ?

A

Compounds are composed of two or more elements and each compound have the same elements in the same proportions

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2
Q

What is the law of conservation ?

A

Law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction.

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Chemistry chapter 3 science NCERT Grade 9 (7 decks)

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