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2.2.3a Melting, boiling, condensation and solidification

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Question 140

A liquid-in-glass Celsius thermometer has a scale that ranges from −20∘C-20^\circ\text{C}−20∘C to 115∘C115^\circ\text{C}115∘C.

What are the values of the lower fixed point and the upper fixed point of the Celsius scale?

A

Lower fixed point: −20∘C-20^\circ\text{C}−20∘C, Upper fixed point: 100∘C100^\circ\text{C}100∘C

B

Lower fixed point: −20∘C-20^\circ\text{C}−20∘C, Upper fixed point: 115∘C115^\circ\text{C}115∘C

C

Lower fixed point: 0∘C0^\circ\text{C}0∘C, Upper fixed point: 100∘C100^\circ\text{C}100∘C

D

Lower fixed point: 0∘C0^\circ\text{C}0∘C, Upper fixed point: 115∘C115^\circ\text{C}115∘C

Markscheme

2.2.3a Melting, boiling, condensation and solidification Questions

  1. IGCSE
  2. /Physics
  3. /2.2.3a Melting, boiling, condensation and solidification

313 exam-style questions on CIE IGCSE Physics 2.2.3a Melting, boiling, condensation and solidification. Each one has a worked solution and a mark scheme showing where the marks go.

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