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- The figure below shows a micrometer screw gauge that has a zero error of +0.02. State the actual reading of the micrometer screw gauge.(Solved)
The figure below shows a micrometer screw gauge that has a zero error of +0.02. State the actual reading of the micrometer screw gauge.
Date posted: September 12, 2019.
- List four common dehydrated foods which are used as the main ingredients in a dish. (Solved)
List four common dehydrated foods which are used as the main ingredients in a dish.
Date posted: September 12, 2019.
- List four tertiary colours. (Solved)
List four tertiary colours.
Date posted: September 12, 2019.
- Define case goods and give an example. (Solved)
Define case goods and give an example.
Date posted: September 12, 2019.
- List two importance of blanching vegetables before preservation.(Solved)
List two importance of blanching vegetables before preservation.
Date posted: September 12, 2019.
- Explain why flammable substances should always be kept away from flames in the laboratory.(Solved)
Explain why flammable substances should always be kept away from flames in the laboratory.
Date posted: September 12, 2019.
- List the stages involved in bottling as a method of preservation.(Solved)
List the stages involved in bottling as a method of preservation.
Date posted: September 12, 2019.
- State two reasons for using floor coverings in a house. (Solved)
State two reasons for using floor coverings in a house.
Date posted: September 12, 2019.
- Give three reasons why the wall paper is becoming popular.(Solved)
Give three reasons why the wall paper is becoming popular.
Date posted: September 12, 2019.
- When a sample of ethane was burnt, the heat provided raised the temperature of 500cm3 of water by 21.5k
(specific heat capacity of water = 4.2kJ/kg/k...(Solved)
When a sample of ethane was burnt, the heat provided raised the temperature of 500cm3 of water by 21.5k
(specific heat capacity of water = 4.2kJ/kg/k and density of water = 1g/cm3.
Calculate the:
(i) Heat change for the reaction.
(ii) Mass of ethane burnt (RFM of ethane = 30).
Date posted: September 12, 2019.
- List three factors to consider when buying a gas cylinder.(Solved)
List three factors to consider when buying a gas cylinder.
Date posted: September 12, 2019.
- Mention three points on how to ensure safety when storing paraffin.(Solved)
Mention three points on how to ensure safety when storing paraffin.
Date posted: September 12, 2019.
- Mention three examples of fans.(Solved)
Mention three examples of fans.
Date posted: September 12, 2019.
- State two points to remember about clothing when caring for the sick at home(Solved)
State two points to remember about clothing when caring for the sick at home
Date posted: September 12, 2019.
- Mention two methods of preserving fruits when in season.(Solved)
Mention two methods of preserving fruits when in season.
Date posted: September 12, 2019.
- Use the thermo chemical equations below to answer the questions that follow.(Solved)
Use the thermo chemical equations below to answer the questions that follow.
(i) Name two types of heat changes represent by
(ii) Draw an energy level diagram for the reaction represented by equation 1.
(iii) Calculate the standard enthalpy of formation of ethane.
Date posted: September 12, 2019.
- The table below shows the marks scored by eighty Form 4 students in a mathematics test.(Solved)
The table below shows the marks scored by eighty Form 4 students in a mathematics test.
a) Calculate
i) Mean mark.
ii) Lower quartile
b) On the grid provided draw the cumulative frequency curve to represent the above
distribution
c) From the graph estimate the
i) 4th decile
ii) Range of marks of the middle 70% of the students.
Date posted: September 12, 2019.
- Read the following conversation and answer the following questions.(Solved)
Read the following conversation and answer the following questions.
You have been summoned in a court of law after being arrested in a swoop targeting hawkers.
You have been put on your defence
Prosecutor: is your name James Wambua
You: ...............................................................................
Prosecutor: (addressing the magistrate) sorry for that mix – up your honour the name is James Wambura not James Wambua.
( to the defendant) You are accused of contravening the city by laws CAP 16/2B of the county Government by hawking goods without a license. What is your plea?
You:.......................................................................................
Prosecutor: If you were truly coming from school, would you prove to this court that you are really a student?
You: ...........................................................................
Prosecutor: (passing some document to the magistrate) your honour the document looks genuine and has a school stamp (To the defendant) but exactly where were you arrested and what were you doing there at that time?
You: ..........................................................
Prosecutor: (to the magistrate) your honour since the accused is a minor, I have no intention of proceeding with the prosecution of this case.
Magistrate: alright: case dismissed.
You:................................................................
Date posted: September 12, 2019.
- The figure below shows points on the earth’s surface(Solved)
The figure below shows points on the earth’s surface
a) State the positions of A, B, C and D in coordinate form
b) An aircraft flies from A to B along latitude 400N, B to C. along longitude 300E, C to D along latitude 400S. Calculate to 4 S.f the total distance it covered .(Take radius of the earth =6371km)
c) If the aircraft leaves A at 8.00am at a speed of 720km/h to B. At what local time is it expected at B?
Date posted: September 12, 2019.
- Study the following part of periodic table chart and use it to answer the question that follow. The letters are of the actual symbols of...(Solved)
Study the following part of periodic table chart and use it to answer the question that follow. The letters are of the actual symbols of the elements.
(i) Which elements form ions with charge of -2. Explain.
(ii) Compare the ionic radius of C and E. Explain.
(iii) Write the formular of the compound formed between element G and H.
(iv) In terms of structure of bonding, explain why the oxides of D has a lower melting point than that of G.
(v) Write an equation to show the action of heat on nitrates of F and G.
Date posted: September 12, 2019.
- The table below shows income Tax rates(Solved)
The table below shows income Tax rates
Faith earns a monthly basic salary of Ksh 45,000 and she is also given taxable allowances amounting to Ksh 20480 per month.
a) Calculate Faiths’ gross income tax per month.
b) Faith is entitled to a personal tax relief of Ksh 1162. Determine her net income per month.
c) Faith received 50% increase in her total income; calculate the corresponding percentage increase on the net income tax.
Date posted: September 12, 2019.
- Read the poem below and answer the questions that follow.
(Solved)
Read the poem below and answer the questions that follow.
I wonder by the edge
Of this desolate lake
Where wind cries in the sledge
Until the axle break
That keeps the stars in their round
And hands hurt in the deep
The banners of east and west
And the girdle of light is unbound,
Your breast will not lie by the breast
Of your beloved in sleep
(i) Describe the rhyme scheme of the poem.
(ii) Identify and illustrate any two sound pattern used in the poem.
(iii) How would you say the last two lines of the poem?
(iv) Give homophones for the following words used in the poem (2mks)
Wonder –
Break-
Date posted: September 12, 2019.
- The overall grade (A) attained by a student is directly proportional to the teacher’s effort (t), square of students effort (s) and the general discipline...(Solved)
The overall grade (A) attained by a student is directly proportional to the teacher’s effort (t), square of students effort (s) and the general discipline level (d) of the school. A student doubled his effort; teacher went further by 5% but the school discipline dropped by 40%. Find the percentage change in the overall grade.
Date posted: September 12, 2019.
- Use the words in bracket in their correct form to replace the underlined words.
(Solved)
Use the words in bracket in their correct form to replace the underlined words.
1.The candidate was not popular amongst the electorate. (famous)
2.The vehicle that was moving very fast caused the accident. (speed)
Date posted: September 12, 2019.
- Replace the underlined words with phrasal verbs formed from the words in brackets(Solved)
Replace the underlined words with phrasal verbs formed from the words in brackets
1. Lucy asked Julius not to involve himself with her personal matters. (keep)
2. My mother accidentally met me along Jamhuri highway in the town (run)
Date posted: September 12, 2019.
- Solve the equation 10 Cos2 theta + Sin theta= -1(Solved)
Solve the equation 10 Cos2 theta + Sin theta= -1 for
Date posted: September 12, 2019.
- Rewrite the following sentences to correct the errors.(Solved)
Rewrite the following sentences to correct the errors.
1. Of the two books, the first is longest
2. The quarter of the three girls sleeps earlier.
3. I did not find any fellow colleagues in class when I arrived late.
Date posted: September 12, 2019.
- Water flows from a tap of diameter 7cm at a speed of 5m/s into a rectangular tank of length 5.5m by 3m and height 4.2m.(Solved)
Water flows from a tap of diameter 7cm at a speed of 5m/s into a rectangular tank of length 5.5m by 3m and height 4.2m. If the tank was initially half full at 6.00pm.Find at what time the tank was full if no water was running out of the tank.
Date posted: September 12, 2019.
- The reaction between Lead (II) Nitrate and concentrated sulphuric (VI) acid starts but stops immediately.Explain.(Solved)
The reaction between Lead (II) Nitrate and concentrated sulphuric (VI) acid starts but stops immediately.Explain.
Date posted: September 12, 2019.
- Rewrite the following sentences according to the instructions given after each. Do not change the meaning.(Solved)
Rewrite the following sentences according to the instructions given after each. Do not change the meaning.
1. The children welcomed the teachers.
(Begin with: The teachers)
2. John does not take Lunch. His sister does not take Lunch.
(Begin with: Neither)
3. Gatwiri asked, "Can we meet here tomorrow morning?"
(Rewrite in direct speech)
4. This novel is far better than the one I bought last week.
(Rewrite using the word ‘superior’)
5. It is not necessary to collect the garbage today.
(Rewrite being: You do not )
Date posted: September 12, 2019.