Get premium membership and access questions with answers, video lessons as well as revision papers.
Rubbing liquid molecules can be charged. If the liquid is inflammable, it can spark and explode. It is advisable to store fuels in metal cans so that any charges generated continually leak out. This is the reason behind the presence of loose chain in tankers carrying inflammable liquids.
Wilfykil answered the question on April 15, 2019 at 07:56
- Explain the applications of Thermal Radiation(Solved)
Explain the applications of Thermal Radiation
Date posted: April 15, 2019. Answers (1)
- Discuss lagging and give an example of its application(Solved)
Discuss lagging and give an example of its application.
Date posted: April 15, 2019. Answers (1)
- Explain the mode of Operation of the Six’s Thermometer(Solved)
Explain the mode of Operation of the Six’s Thermometer
Date posted: April 15, 2019. Answers (1)
- Give the comparison between Mercury and Alcohol as Thermometric Liquids(Solved)
Give the comparison between Mercury and Alcohol as Thermometric Liquids
Date posted: April 15, 2019. Answers (1)
- The height, h of a water manometer is 20 cm when used to measure pressure of a gas.(Solved)
The height, h of a water manometer is 20 cm when used to measure pressure of a gas.
a) Determine the pressure due to gas, If atmospheric pressure is 103000N/m2.
b) What would be the height if the liquid used is glycerin of density 1.26g/cm3
Date posted: April 15, 2019. Answers (1)
- A sphere of diameter 6.0 mm is molded into a uniform wire of diameter 0.2mm. Calculate the length of the wire.(Solved)
A sphere of diameter 6.0 mm is molded into a uniform wire of diameter 0.2mm. Calculate the length of the wire.
Date posted: April 15, 2019. Answers (1)
- An object whose area of contact with the floor is 5m2 exerts a pressure of 900 pascal(Solved)
An object whose area of contact with the floor is 5m2 exerts a pressure of 900 pascal. Calculate its mass
Date posted: April 15, 2019. Answers (1)
- An object weighs 1000N on earth’s surface. Calculate its mass.(Solved)
An object weighs 1000N on earth's surface
a) Calculate its mass.
b) If the same object weighs 160N on the moon surface, find the gravitational field strength of the moon
Date posted: April 15, 2019. Answers (1)
- What is the molecular Explanation of Surface Tension?(Solved)
What is the molecular Explanation of Surface Tension?
Date posted: April 15, 2019. Answers (1)
- List the factors affecting gravitational force(Solved)
List the factors affecting gravitational force
Date posted: April 15, 2019. Answers (1)
- A mixture consists of 40cm3 of water and 60cm3 of liquid X. If the densities of water and liquid X are 1.0g/cm3 and 0.8g/cm3 respectively,...(Solved)
A mixture consists of 40cm3 of water and 60cm3 of liquid X. If the densities of water and liquid X are 1.0g/cm3 and 0.8g/cm3 respectively, calculate the density of the mixture.
Date posted: April 15, 2019. Answers (1)
- The mass of a density bottle is 20.0g when empty, 70.0g when full of water and 55.0g when full of a second liquid x. Calculate...(Solved)
The mass of a density bottle is 20.0g when empty, 70.0g when full of water and 55.0g when full of a second liquid x. Calculate the density of the liquid (take density of water to be 1g/cm3)
Date posted: April 15, 2019. Answers (1)
- A wooden block of mass 200g is 4.0 cm wide 3.0 cm thick and 6.0 cm long. Calculate the density of the wooden block in...(Solved)
A wooden block of mass 200g is 4.0 cm wide 3.0 cm thick and 6.0 cm long. Calculate the density of the wooden block in kg/m3
Date posted: April 15, 2019. Answers (1)
- What are the advantages of Electrical Balance (Top Pan Balance) Over the Beam Balance (Mechanical Type)?(Solved)
What are the advantages of Electrical Balance (Top Pan Balance) Over the Beam Balance (Mechanical Type)?
Date posted: April 15, 2019. Answers (1)
- State the conditions under which displacement method works(Solved)
State the conditions under which displacement method works
Date posted: April 15, 2019. Answers (1)
- Find the volume of a sphere whose radius is 3.0cm(Solved)
Find the volume of a sphere whose radius is 3.0cm
Date posted: April 15, 2019. Answers (1)
- Estimate the area of the irregular surface shown in the figure below by counting the small squares. The area of one complete square is 1cm2(Solved)
Estimate the area of the irregular surface shown in the figure below by counting the small squares. The area of one complete square is 1cm2
Date posted: April 15, 2019. Answers (1)
- In an experiment to estimate the height of a tree in Nyabururu Girls’ Secondary School compound, Grace recorded the following data.(Solved)
In an experiment to estimate the height of a tree in Nyabururu Girls’ Secondary School compound, Grace recorded the following data.
I. Length of shadow of the tree= 1000cm
II. Length of shadow of the rod = 200cm
III. Height of the rod = 100cm
Determine the height of the tree
Date posted: April 15, 2019. Answers (1)
- Give the sources of Error When Using a Meter Rule(Solved)
Give the sources of Error When Using a Meter Rule
Date posted: April 15, 2019. Answers (1)
- Which factors are Considered When Choosing an Instrument for Measuring Lengths?(Solved)
Which factors are Considered When Choosing an Instrument for Measuring Lengths?
Date posted: April 15, 2019. Answers (1)