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GCSE Chemistry > Paper 1 2018 > Flashcards

Paper 1 2018 Flashcards

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1
Q

State the observation that is made when platinum is added to cold water?

A

No change

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2
Q

Describe a test to show that the bubbles contain hydrogen gas?

A

Splint with squeaky pop

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3
Q

Word equation for magnesium and dilute hydrochloric acid?

A

Magnesium + dilute hydrochloric acid –> magnesium chloride + hydrogen.

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4
Q

What are the two observations that would be made as the reaction occurs?

A
  • A brown solid is formed

- Solution turns colourless

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5
Q

Explain why this is a redox reaction

  • Zn + Cu2+ –> Zn2+ + Cu
A

Zinc has lost electrons
Copper ion has gained electrons
Zinc has been oxidised and copper has been reduced.

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GCSE Chemistry (4 decks)

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