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Outline the aims of education in Rome.
Date posted:
May 17, 2019
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Explain Athenian Education.
Date posted:
May 17, 2019
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Discuss Spartan Education.
Date posted:
May 17, 2019
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State the main differences between alkanes and alkenes in terms of the following;
i) Structure and bonding
ii) Reaction with chlorine gas.
Date posted:
May 17, 2019
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Discuss the aspects of education of early man.
Date posted:
May 17, 2019
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Factors to consider when planning for a function menu
Date posted:
May 17, 2019
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Outline the factors to consider when compiling menus.
Date posted:
May 17, 2019
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Describe how you would obtain pure solid samples of each of the following components of a
solid mixture containing ; Lead (II) chloride, Sodium carbonate and calcium sulphate.
Date posted:
May 17, 2019
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In an experiment,1g of calcium carbonate was completely dissolved 100cm3 of 0.25M excess hydrochloric acid.Calculate the molar concentration of the acidic solution formed. (Ca = 40; C = 12; O =16).
Date posted:
May 17, 2019
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Explain the meanings of the following physical properties of laboratory gases.
i) A chocking smell.
ii) An irritating smell.
iii) A neutral gas
Date posted:
May 16, 2019
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An element X has atomic number 3, relative atomic mass 6.94 and consists of two isotopes
of mass numbers 6 and 7.
a) What is the mass number of the more abundant isotope of X?
b) Calculate the relative abundance of each of the isotopes.
Date posted:
May 16, 2019
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State two large scale uses of hard water.
Date posted:
May 16, 2019
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Explain how dilute hydrochloric acid can be used to determine the type of hardness in a sample of tap water.
Date posted:
May 16, 2019
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A factory produces 63.6 tonnes of anhydrous Na2CO3 on a certain. Calculate the number of tonnes of sodium chloride used on this particular day. Assume the plant is working at 100% efficiency.(C = 12, H = 1, Cl = 35.5, Ca = 40, Na = 23)
Date posted:
May 16, 2019
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The flow chart below shows the manufacture of sodium carbonate. Study it carefully and
answer the questions that follow.
a)
i). What is ammoniacal brine?
ii). Ammoniacal brine reacts with carbon (IV) oxide to form a mixture of two salts
which produce Q. Write an equation to show formation of Q
Name two processes that are used to separate Q into NH4Cl and P
b) Give two uses of sodium carbonate produced in the process.
c)i). Name the substance that reacts with water that comes into the slaker
ii). What happens at the kiln?
d) Write an equation for the reaction that occurs when P is heated to form solid
Na2 CO3
e) Name two substances that are recycled in the process.
Date posted:
May 16, 2019
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Define the term molar heat of displacement
Date posted:
May 16, 2019
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The following is the summary of the cashbook of Mbedodo Football Club for the year ended 30 June
2011:
Additional information:
1. The assets of the club on 1 July 2010 were as follows:
Sh. '000'
Land 650,000
Gymnasium and equipment 250,000
Bar inventory 10,800
Prizes in hand 4,800
2. Bar supplies owing amounted to Sh. 4,200,000 on 1 July 2010
3. On 30 June 2011 the bar inventory was Sh. 9,600,000, prizes in hand - Sh. 2,400,00 and
Sh. 5,640,000 was owing for bar supplies.
4. The secretary is to receive a leave allowance of 5% of his basic salary. It was also agreed that
the bar manager should receive aSh. 500,000 bonus for increased sales during the year.
5. From the register of members, it appeared that unpaid subscriptions as at 30 June 2011
totaled Sh. 5,100,000. Subscriptions received during the year included Sh. 2,550,000 in
respect of the previous year and Sh. 1,700,000 in respect of the year starting 1 July 2011.
6. Interest earned on the deposit with the SACCO for the year ended 30 June 2011 amounted to Sh.
1,750,000
7. The rent paid was for fifteen months up to 30th September 2011
8. The gymnasium and equipment are to be depreciated at the rate of 10% per annum on straight
line basis
Required;-
a) Income and expenditure account for the year ended 30 June 2011
b) Statement of financial position as at 30 June 2011
Date posted:
May 16, 2019
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0.65 of zinc was reacted with 20cm3 of 2 M copper(II) sulphate solution in a plastic beaker.
The copper(II) sulphate solution was in excess. The initial temperature and the highest temperature of the solution were recorded. 0.64 of copper metal was formed.
a) Other than change in temperature, state the observations made during the reaction
b) Calculate the
I Number of moles of Zinc that reacted (Zn=65)
II The number of moles of copper that was displaced from the solution (Cu=64)
III The mole ratio of Zn: Cu
Date posted:
May 16, 2019
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Differentiate between "receipts and payments account" and "income and expenditure account".
Date posted:
May 16, 2019
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The table below gives the percentage of a radioactive isotope of Bismuth that remains after
decaying at different times.
i). On the grid provided, plot a graph of the percentage of Bismuth remaining(Vertical axis) against
time.
ii) Using the graph determine the
i) Half- life of Bismuth isotope.
ii) Original mass of the Bismuth Isotope given that the mass that remained after 70
minutes was 0.16g.
Date posted:
May 16, 2019
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Study the flow chart below and use it to answer the questions between.
a) Identify the process described by the flow chart
b) Explain why the Ore is crushed
c) Which process occurs at mixing chamber?
d) Explain the use of ;
i) water
ii) Oil
e) Compressed air Write down an equation for the formation of slag.
f) Identify the cations present where the metal is being purified.
Date posted:
May 16, 2019
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The set – up below was used during the electrolysis of a solution of magnesium
sulphate using inert electrodes.
i). Identify the ions present in the electrolyte
ii). Write half equations at the anode and at the cathode:
Cathode:
Anode
Date posted:
May 16, 2019
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Dry chlorine gas was passed through two pieces of coloured cotton cloth as shown.
a) State what is observed in each experiment.
Experiment 1
Experiment 2
b) Explain your observation using an equation.
Date posted:
May 16, 2019
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Highlight six purposes of public sector accounting.
Date posted:
May 16, 2019
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During the extraction of copper and Zinc from their Ores, some of the processes include.
(i) Crushing
(ii) Mixing of the crushed Ore with Oil and water and bubbling air through it.
(i) Name the process(ii) above.
(ii) What is the purpose of process (ii) above?
Date posted:
May 16, 2019
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The boiling and melting points of alkali metals decreases down the group while the melting and boiling points of halogens increase down the group.Explain
Date posted:
May 16, 2019
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Helium is used instead of Hydrogen to fill balloons.Explain
Date posted:
May 16, 2019
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The following were the estimates and actual expenditure of Barani Ministry of Youth and Sports for
the financial year ended 30 June 2012.
Drawings from the exchequer during the financial year ended 30 June 2012 amounted to
Sh.226,000,000
Required;
a) General account of vote
b) Exchequer account
c) Paymaster general (PMG) account
d) Appropriation account for the year ended 30 June 2012
e) Statement of assets and liabilities as at 30 June 2012
Date posted:
May 16, 2019
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A solution containing 0.1m sulphuric acid has a pH of 2 while 5M has a pH of more than two.
Explain.
Date posted:
May 16, 2019
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State and explain the observation made in the set-up below.
Date posted:
May 16, 2019