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- One of the following animals is not attacked by ticks. Which one is it?
A. Cattle
B. Sheep
C. Pigs
D. Goat(Solved)
One of the following animals is not attacked by ticks. Which one is it?
A. Cattle
B. Sheep
C. Pigs
D. Goat
Date posted: October 16, 2019.
- The quantity of matter in a substance is it’s.
A. Weight B. Volume
C. Density ...(Solved)
The quantity of matter in a substance is it’s.
A. Weight B. Volume
C. Density D. Mass
Date posted: October 16, 2019.
- Constipation is a common digestive problem that can be controlled by:(Solved)
Constipation is a common digestive problem that can be controlled by:
A. Eating a lot of carbohydrates
B. Eating enough vitamins
C. Eating a lot of proteins
D. Eating food rich in roughages
Date posted: October 16, 2019.
- The blood vessel shown below is known as the.(Solved)
The blood vessel shown below is known as the
A. Vein B. Capillary
C. Vena cava D. Artery
Date posted: October 16, 2019.
- The following are description of a certain parasite.
I. Causes irritation
II. Causes anaemia
III. Cannot be controlled(Solved)
The following are description of a certain parasite.
I. Causes irritation
II. Causes anaemia
III. Cannot be controlled
Which one is it.
A. Roundworms
B. Tsetse flies
C. Tapeworm
D. Ticks
Date posted: October 16, 2019.
- Force helps in doing all the following except?
A. Stop motion
B. Change the material of the object
C. Start motion
D. Change direction of a moving object.(Solved)
Force helps in doing all the following except?
A. Stop motion
B. Change the material of the object
C. Start motion
D. Change direction of a moving object.
Date posted: October 16, 2019.
- When two balloons are rubbed together using the same materials and then brought together, they
A. Attract
B. Burst
C. Attract then repel
D. Repel(Solved)
When two balloons are rubbed together using the same materials and then brought together, they
A. Attract
B. Burst
C. Attract then repel
D. Repel
Date posted: October 16, 2019.
- Friction is reduced through all the following ways except?
A. using treads
B. Polishing surfaces
C. Streamlining
D. Using rollers(Solved)
Friction is reduced through all the following ways except?
A. using treads
B. Polishing surfaces
C. Streamlining
D. Using rollers
Date posted: October 16, 2019.
- Name the process which takes place when:
(a) Anhydrous iron (III) chloride absorb water vapour from the air to form solution
(b) Zinc chloride vapour changes directly...(Solved)
Name the process which takes place when:
(a) Anhydrous iron (III) chloride absorb water vapour from the air to form solution
(b) Zinc chloride vapour changes directly to zinc chloride solid
Date posted: October 16, 2019.
- A drug has these characteristics:
I. Causes breathing problems
II. Drowsiness
III. Poor thinking
Which drug is described above.
A. Cocaine
B. Mandrax
C. Heroin
D. Khat
(Solved)
A drug has these characteristics:
I. Causes breathing problems
II. Drowsiness
III. Poor thinking
Which drug is described above.
A. Cocaine
B. Mandrax
C. Heroin
D. Khat
Date posted: October 16, 2019.
- Which one of the animals belong to the same group as rhino in a food chain?A. LionB. AntelopeC. MouldD. Vulture(Solved)
Which one of the animals belong to the same group as rhino in a food chain?
A. Lion
B. Antelope
C. Mould
D. Vulture
Date posted: October 16, 2019.
- Potassium nitrate crystals in a test-tube were heated strongly for some time. State the observation made:
(a) When a glowing splint is introduced into the test-tube...(Solved)
Potassium nitrate crystals in a test-tube were heated strongly for some time. State the observation made:
(a) When a glowing splint is introduced into the test-tube during the heating
(b) At the end of the heating
Date posted: October 16, 2019.
- Study the flow chart below and answer the questions that follow(Solved)
Study the flow chart below and answer the questions that follow
a) Identify ;
i) gases C and B
ii) Ions likely to be presented in solid A
Date posted: October 16, 2019.
- A piece of marble chips was strongly heated in air for about 30 minutes. Some drops of water were added drop by drop to the...(Solved)
A piece of marble chips was strongly heated in air for about 30 minutes. Some drops of water were added drop by drop to the product when it was still warm.
Using equation, explain:
(i) What happens when the piece of marble chips is heated?
(ii) The reaction that takes place when water is added to the final warm product.
Date posted: October 16, 2019.
- A student poured sodium iodide solution into a small portion of solution Q, a yellow precipitate was formed.
Which ion was most likely in solution Q?
(Solved)
A student poured sodium iodide solution into a small portion of solution Q, a yellow precipitate was formed.
Which ion was most likely in solution Q?
Date posted: October 16, 2019.
- Find the standard deviation of the given data.(Solved)
Find the standard deviation of the given data.
![fig3416102019934.png](/questions/uploads/fig3416102019934.png)
Date posted: October 16, 2019.
- When exposed to air, crystals of hydrated sodium carbonate loses water of crystallizations;-
(i) Name this process
(ii) Write the formula of hydrated sodium carbonate(Solved)
When exposed to air, crystals of hydrated sodium carbonate loses water of crystallizations;-
(i) Name this process
(ii) Write the formula of hydrated sodium carbonate
Date posted: October 16, 2019.
- Evaluate(Solved)
Evaluate ![fig3216102019931.png](/questions/uploads/fig3216102019931.png)
Date posted: October 16, 2019.
- If a = 3 i + 2j + 5k and b = i – j – k find |2a - 3b|(Solved)
If a = 3 i + 2j + 5k and b = i – j – k find |2a - 3b|
Date posted: October 16, 2019.
- Change the subject of f= to L(Solved)
Change the subject of f=
to L
Date posted: October 16, 2019.
- Find the equation of a normal to the curve y = 2x2 – 4x + 2 at point (3, 1)(Solved)
Find the equation of a normal to the curve y = 2x2 – 4x + 2 at point (3, 1)
Date posted: October 16, 2019.
- You are provided with the following:- solid lead (II) nitrate, magnesium oxide powder,dilute sulphuric (VI)acid and distilled water. Describe how you can prepare a dry...(Solved)
You are provided with the following:- solid lead (II) nitrate, magnesium oxide powder,dilute sulphuric (VI)acid and distilled water. Describe how you can prepare a dry sample of lead (II) sulphate
Date posted: October 16, 2019.
- In the figure below ADE and AB are tangent to the circle at D and B respectively.
Angle DAB = 400 and angle CDE =...(Solved)
In the figure below ADE and AB are tangent to the circle at D and B respectively.
Angle DAB = 400 and angle CDE = 650
Giving a reason for your answers, find the size of:
a)ADB
b)ABC
Date posted: October 16, 2019.
- The scheme below shows some reactions starting with magnesium oxide. Study it and answer the questions that follow:-(Solved)
The scheme below shows some reactions starting with magnesium oxide. Study it and answer the questions that follow:-
(i) Name the reagents used in steps 2 and 4
(ii) Write an equation for the reaction in step 3
(iii) Describe how a solid sample of anhydrous magnesium carbonate is obtained in step 5
Date posted: October 16, 2019.
- Find the value of x in log10 (2x - 1) + log10 3 – log10 (8x - 1)(Solved)
Find the value of x in log10 (2x - 1) + log10 3 – log10 (8x - 1)
Date posted: October 16, 2019.
- Two fruit juices A and B are mixed together. Juice A costs sh. 50 per litre and Juice B cost sh. 80 per litre. Find...(Solved)
Two fruit juices A and B are mixed together. Juice A costs sh. 50 per litre and Juice B cost sh. 80 per litre. Find the ratio of A and B in the mixture if the mixture costs sh. 59 per litre.
Date posted: October 16, 2019.
- State the centre and the radius of the given equation of a circle.
x2 – 6x + y2 + 10y + 25 = 0 (Solved)
State the centre and the radius of the given equation of a circle.
x2 – 6x + y2 + 10y + 25 = 0
Date posted: October 16, 2019.
- Write the expression below in surd form and rationalize the denominator.(Solved)
Write the expression below in surd form and rationalize the denominator.
![fig2216102019906.png](/questions/uploads/fig2216102019906.png)
Date posted: October 16, 2019.
- The displacement, S metres of a moving particle from point O, after t seconds is given by:
S = t3 – 5t2 + 3t + 10
a)Find...(Solved)
The displacement, S metres of a moving particle from point O, after t seconds is given by:
S = t3 – 5t2 + 3t + 10
a)Find S when t = 2
b)Determine:
i)The velocity of the particle when t = 5sec
ii)The value of t when the particles is momentarily at rest
c)Find the time, when the velocity of the particle is maximum.
Date posted: October 16, 2019.
- A trader bought 2 cows and 9 goats for a total of ksh. 98,200. If she had bought 3 cows and 4 goats,
she would...(Solved)
A trader bought 2 cows and 9 goats for a total of ksh. 98,200. If she had bought 3 cows and 4 goats,
she would have spent ksh. 2200 less
a)Form two equations to represent the above information.
b)Use matrix method to determine the cost of a cow and that of a goat.
c)The trader later sold the animals she had bought making a profit of 30% per cow and 40% per goat.
i)Calculate the total amount of money she received.
ii)Determine, correct to 4 significant figures the percentage profit the trader made from the sale of the animals.
Date posted: October 16, 2019.