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Describe the action of hydrogen sulphide on Iron (III) chloride ions.
Date posted:
April 29, 2019
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The ratio of Mueni’s earnings to Kilonzo’s earning is 5:3. If Mueni’s earnings is increased by 17% her new figure
becomes Kshs. 18,000. Find the corresponding percentage change in Kilonzi’s earnings if the sum of their new
earnings is Kshs. 24,600.
Date posted:
April 29, 2019
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Describe the action of hydrogen sulphide gas With acidified potassium dichromate VI solution.
Date posted:
April 29, 2019
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Evaluate without using a calculator
Date posted:
April 29, 2019
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Describe various services provided by operating systems.
Date posted:
April 29, 2019
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What are the major activities of the following operating systems services.
(a)error handing.
(b)resources management.
Date posted:
April 29, 2019
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A merchant blends 350kg of tea costing Sh. 84 kg with 140kg of tea costing Sh. 105 per kg. At what price must he sell
the mixture to gain 25%
Date posted:
April 29, 2019
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The first, the third and the seventh term of an increasing arithmetic progression are three consecutive terms of a geometric progression. If the first term of the arithmetic progression is 10, find the common difference of the arithmetic progression
Date posted:
April 29, 2019
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The figure below shows a circle center O, radius 10 cm. The chord PQ = 16cm. Calculate the area of the unshaded region.
Date posted:
April 29, 2019
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Explain the effects of heat on sulphates.
Date posted:
April 29, 2019
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The area of a rhombus is 60cm2. Given that one of its diagonal is 15cm long. Calculate the perimeter of the rhombus.
Date posted:
April 29, 2019
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If tan X = 4/3 , find the value of sin2X + cos X without using tables or calculator.
Date posted:
April 29, 2019
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Explain the action of chlorine on a litmus paper.
Date posted:
April 29, 2019
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Find the equation of a straight line which is equidistant from the points A (2, 3) and B (6, 1). Express your answer in
the form x/a + y/b =1 where a and b are constant.
Date posted:
April 29, 2019
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Explain the bleaching action of chlorine.
Date posted:
April 29, 2019
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Describe the process for preparation of iron (III) chloride.
Date posted:
April 29, 2019
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Determine the equation of the normal to the curve y = 3x2 – 4x + 1 at the point (2, 5).
Date posted:
April 29, 2019
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Briefly explain the classification of operating systems according to interface.
Date posted:
April 29, 2019
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Explain the classification of operating systems according to number of users.
Date posted:
April 29, 2019
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Solve for y in the equation
8(2y – 1) x 32y = 16(y + 1).
Date posted:
April 29, 2019
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Explain the reaction of chlorine with phosphorus.
Date posted:
April 29, 2019
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A tourist arrived in Kenya with US Dollars 3000 which he exchanged into Kenya shillings. He spent Ksh. 75000 on hotel accommodation and Ksh.42500 on travel and other expenses. He changed the remaining money into sterling pounds. Calculate how much money in sterling pounds that he remained with using the following rates. (Leave your answer to the nearest 1£)
Date posted:
April 29, 2019
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Explain the reaction of chlorine with sodium hydroxide solution.
Date posted:
April 29, 2019
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Describe the displacement reactions of chlorine with other halogens.
Date posted:
April 29, 2019
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Explain the reaction of chlorine with hydrogen sulphide gas.
Date posted:
April 29, 2019
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Points S(-2,2) and T(-3,7) are mapped onto S1(4,-10) and T1(0,10) by an enlargement . Calculate the enlargement scale factor.
Date posted:
April 29, 2019
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Describe the incident when Jesus healed a man possessed by a demon in Capernaum.
Date posted:
April 29, 2019
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The figure below represent a right pyramid with vertex V and a rectangular base PQRS.VP = VQ = VR = VS = 18cm and QR = 12cm, M and O are midpoints of QR and PR respectively.
Find:
(a) the length of the projection of VP on the plane PQRS.
(b) size of angle between VP and plane PQRS.
(c) size of angle between plane VQR and PQRS.
Date posted:
April 29, 2019
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(a) Without using a set square or a protractor, construct triangle ABC such that AB = AC = 5.4cm and angle ABC = 30º.
(b) Measure BC.
(c) A point P is always on the same side of BC as A. Draw the locus of P such that angle BAC is always twice angle BPC.
(d) Calculate the area of triangle ABC.
(e) Draw a perpendicular from A to meet BC at D. Measure AD.
Date posted:
April 29, 2019
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In the figure below A and B are centres of the circle intersecting at point P and Q, angle PBQ = 97.2º while PAQ = 52º,
PB = 4cm while AP = 10cm.
Determine:-
(a) the length AB.
(b) the area of sector APQ.
(c) the area of the quadrilateral, APBQ.
(d) area of the shaded region.
Date posted:
April 29, 2019