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Ecexcel GCSE Combined Science Chemistry > Topic 1- Key Concepts in Chemistry (1.17-1.20) > Flashcards

Topic 1- Key Concepts in Chemistry (1.17-1.20) Flashcards

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1
Q

What is the law of conservation of mass?

A

Mass cannot be created or destroyed (only conserved)

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2
Q

What is a closed system?

A

A system where substances cannot enter or leave an observed environment

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Ecexcel GCSE Combined Science Chemistry (4 decks)

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