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Card 66

Front

Can ireversible reactants be changed back?

Back

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Card 67

Front

How can you find out if a physical reaction has taken place?

Back

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Card 68

Front

How can chemical reactions be identified?

Back

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Card 69

Front

Why does magnesium oxide gain mass when burned?

Back

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Card 70

Front

Why do candles lose mass when burned?

Back

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Card 71

Front

What are male sex cells called?

Back

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Card 72

Front

Where are the male sex cells made?

Back

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Card 73

Front

What are female sex cells?

Back

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Card 74

Front

Where are the female sex cells made?

Back

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Card 75

Front

What is ovulation?

Back

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