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Y11 CHE Week 24 EXP 2 - long answer questions

Posljednje ažuriranje over 2 years ago

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1

Pitanje 1

1.

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Pitanje 2

2.

A teacher drops a bottle containing sodium chloride. The bottle breaks when it hits the floor. The teacher sweeps up the mixture of sodium chloride and glass. Describe how the teacher can obtain a pure, dry sample of sodium chloride from the mixture (4 marks)

1

Pitanje 3

3.

This question is about sodium carbonate, Na2CO3 (a) A teacher finds an unlabelled bottle containing a white solid. Describe tests the teacher could do to show that the white solid is sodium carbonate. (5 marks)

1

Pitanje 4

4.

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Pitanje 5

5.

Describe a method the student could use to find which of the three solids is the most effective catalyst for the decomposition of hydrogen peroxide solution. (5 marks)