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When 8.53g of sodium nitrate were heated in an open test-tube, the
mass of oxygen gas produced was 0.83 g . Given the equation of the
reaction as 2NaNO 3 (s) -> 2NaNO 2 (s) + O 2 (g)
Calculate the percentage of sodium nitrate that was converted to sodium
nitrite. (Na = 23.0, N = 14.0, O = 16.0)
Date posted:
May 7, 2019
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The table below shows measurements in metres, made by a surveyor in his field book. Calculate the area of the field in
hectares.
Date posted:
May 7, 2019
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Given that y = -2x2 – 3x + 11
(a) Complete the table below.
(b) On the grid provided, draw the graph of -2x2 – 3x + 11 for -4≤x≤3
(c) Use the graph to solve
(i)-2x2 – 3x + 11 = 0
(ii)-2x2 – 5x + 10 = 0
Date posted:
May 7, 2019
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The following balances were extracted from the books of Rehema
Traders on 1st January 2015.
Ksh
Capital 600,000
Creditors 180,000
Motor van 200,000
Furniture 200,000
Stock 60,000
Debtors 80,000
Cash 240,000
The following transactions took place during the year ended 31st December
2015:
(i) Sold furniture worth Ksh 60,000 for which Ksh 40,000 cash was received and the
balance was due at the end of the year.
(ii) Purchased goods worth Ksh 100,000 for which cash of Ksh 70,000 was paid and
the balance was still outstanding at the end of the year.
(iii) Cash Ksh 10,000 was taken from the business by the proprietor to settle the
spouse's hospital bill.
Required: Outline the effect of each transaction on the items of the balance
sheet.
Date posted:
May 7, 2019
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A bus left Kisumu at 9.30 a.m towards Nairobi at an average speed of 81km/h. A matatu left Nairobi at 10.10 a.m at
average speed of 72km/hr. The distance between Kisumu and Nairobi is 3600km.
(a) Determine:
(i) the time taken before the two vehicles meet
(ii) the distance between the two vehicles 40 minutes after meeting
(b) A car left Kisumu towards Nairobi at 9.50 a.m at an average speed of 90km/h.
Determine
(i) the time when the car caught up with the bus
(ii) the distance of Nairobi from place where the car caught up with the bus.
Date posted:
May 7, 2019
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Discuss the K.I.E curriculum development cycle.
Date posted:
May 7, 2019
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The diagram below shows a crescent formed by two circles of radii 3cm and 5cm, centres A and B respectively.
Calculate the area of the shaded region if it subtends and angle of 600 at centre B.
Date posted:
May 7, 2019
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List the examples of subject centered designs.
Date posted:
May 7, 2019
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The diagram below is an illustration of an egg. Study it carefully and answer the questions that follow.
a)Name the parts labeled B,C,D and F
(b)State two qualities of the part labeled A that should be considered when
selecting eggs for incubation.
(c)What is the function of the part labeled E in a fertilized egg?
Date posted:
May 7, 2019
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Discuss the problems of curriculum design.
Date posted:
May 7, 2019
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An irregular 6 sided polygon has 2 of its interior angles equal to 2x each, 3 angles equal to x each and the remaining one equal to 200. Calculate the value of x.
Date posted:
May 7, 2019
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Given that tan x0 =3/7,find Cos (90 – x)0 giving your answer to 4 significant figures.
Date posted:
May 7, 2019
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Define curriculum organization.
Date posted:
May 7, 2019
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Outline the seven steps that are necessary for the completion of curriculum development according to Hilda Taba.
Date posted:
May 7, 2019
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Discuss Hilda Taba’s Curriculum Theory and Model.
Date posted:
May 7, 2019
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Give a discussion of Tyler’s curriculum theory and model.
Date posted:
May 7, 2019
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The volumes of two similar cylinders are 4752cm3 and 1408cm3.If the area of the curved surface of the smaller cylinder is 352cm2, find the area of the curved surface of the larger cylinder.
Date posted:
May 7, 2019
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Discuss Ralph Tyler curriculum theory and model.
Date posted:
May 7, 2019
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Discuss the psychological foundations of curriculum.
Date posted:
May 7, 2019
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15 men working 4 hours a day can do a job for 20 days. How long does it take 10 men working 5 hours a day to do the
same job.
Date posted:
May 7, 2019
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The three prominent philosophical positions that are closely related to Perennialism and progressivism
Date posted:
May 7, 2019
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An aeroplane is moving horizontally through still air at a uniform
speed. It is observed that when the speed of the plane is increased, its
height above the ground increases. State the reason for this observation.
Date posted:
May 7, 2019
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Discuss the Philosophical foundations of curriculum.
Date posted:
May 7, 2019
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Discuss the sociological Foundations of curriculum.
Date posted:
May 7, 2019
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Discuss the historical foundations of curriculum.
Date posted:
May 7, 2019
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Otieno bought a second hand car and later sold it through a sales agent who charges 7 ½ % commissions on the price
of the car. He received sh. 222,000 from the agent after the tatter had deducted his commission .Otieno incurred a loss
of 25% on the price at which he had bought the car.
a) Calculate the price at which the agent sold the car.
b) Find the price at which Otieno had bought the car
c) If the amount otieno paid for the car was 26% less than the price of the new car, calculate the price of the new car to
the nearest cent.
d) Express as a percentage the amount Otieno received for his car to its price when new.
Date posted:
May 7, 2019
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The position of two satellite station A and B on the earth’s surface are (360N, 500E) and ( 360N, 1300W) respectively .( use 𝜋 = 3.142 and R = 6400KM)
a) Find the distance along the small circle in km.
b) Find the shortest distance between A and B in nm
c) If time A is 1700hrs, calculate the time at B in 12 hrs system.
Date posted:
May 7, 2019
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List the major foundations of curriculum.
Date posted:
May 7, 2019
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Define foundation of curriculum.
Date posted:
May 7, 2019
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Outline the determinants of education.
Date posted:
May 7, 2019