CSEC Chemistry Paper 3 May/June 2017 - Free CXC Past Paper with Answers

Free CXC Chemistry Paper 3 May/June 2017 past paper from 2017. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.

Opening the interactive papers…

CSEC Chemistry Paper 3 May/June 2017 Questions

Every question from this paper as text. See the answers and worked solutions. Questions are the property of the Caribbean Examinations Council; Caribbean AI is not affiliated with CXC.

Question 2 (10 marks)

A student sets out to investigate the effect of temperature on the time taken, $t$ , to completely react a piece of magnesium metal with acid.

Figure 1 shows the actual thermometer readings and the corresponding times taken for the reaction to occur.

Use the information in Figure 1 to answer the following questions.

[10 marks]

(a)

Complete Table 3 by inserting the temperature readings from Figure 1 on page 9 at the appropriate times.

TABLE 3: TEMPERATURE AND TIME TAKEN FOR MAGNESIUM TO REACT

Experiment	Temperature ( $^\circ$ C)

1		2.1
2		1.7
3		1.5
4		1.2
5		0.7

CSEC Chemistry Paper 3 May/June 2017 - Free CXC Past Paper with Answers

CSEC Chemistry Paper 3 May/June 2017 Questions

Question 2 (10 marks)

Question 3 (12 marks)