CSEC Integrated Science · May/June 2016 · Paper 2 · Question 2(c)(iii)
State ONE safety precaution to take when chlorinating the pool.
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 2(a)(i)Identify the water cycle processes labelled I, II and III in Figure 2.[3 marks]
- 2(a)(ii)Name the physical state of water at IV.[1 mark]
- 2(b)Suggest ONE way the owner could prevent potted plants from wilting at midday during sunny periods, giving a reason for your answer.[3 marks]
- 2(c)(i)State TWO reasons for adding chlorine to swimming pool water.[2 marks]
- 2(c)(ii)Suggest TWO ways the facility owner can reuse the water when emptying the pool.[2 marks]
- 2(d)(i)In the box provided, draw a food chain showing the feeding relationships among these organisms.[2 marks]
- 2(d)(ii)Name the original source of energy for this food chain.[1 mark]
More practice: the rest of this paper · more Acids, Bases, Mixtures and Household Chemicals questions · all CSEC Integrated Science past papers