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8/13/2019 Paper 1 Section B Question-Answer Book B (1)
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B23DSCHM
NG KNG XINTI N N URY
ONG KONG IPLOA OF ONARY UATON XANAON 2013
CHEMISTRY PAPER 1
SECTION : Question-Answer Book B
This paper must be answered in Engish
F B
After the announcement of the star of theexaination, yo shold first write your CandidateNmber in the space provided on Page 1 and stickbarcode labes in the spaces provided on Pages ,3,5 and 9.
2 R f t th n in t ti n n th f
Pla c h bacd lab h.
8/13/2019 Paper 1 Section B Question-Answer Book B (1)
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PART I
Answer ALL questons. Wrte your answers n the spaces provided
1 Water s the most abundant copound on he Earh's surface t s ery mportant to lfe on Earh
(a) Draw he electron dagram for a water moecule, showng elecrons in the ouermos shells ny
(1 ark)
(b Nearly 98% of the water on Earh s sea water whch s not t or huan consuptonTe dagra below shows the set-up used n a mple dstllaton experment for obtanng waterom sea waer
water out
8/13/2019 Paper 1 Section B Question-Answer Book B (1)
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