K.C.S.E Physics Q & A - MODEL 2011PP1QN17
(a) When the temperature of water reaches the boiling point, bubbles rise to the surface.
(î) State what is contained in the bubbles.
(ii) State the reason why bubbles rise to the surface only at the boiling point.
(b) Figure 14 shows a graph of vapour pressure against the temperature of water vapour, in a laboratory where a mercury barometer indicates a height of 61.8 cm.
(b) (i) Determine the atmospheric pressure in the laboratory in Nm-2.
FORM I - PHYSICS SYLLABUS
FORM II - PHYSICS SYLLABUS
FORM III - PHYSICS SYLLABUS
FORM IV - PHYSICS SYLLABUS
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