Get premium membership and access questions with answers, video lessons as well as revision papers.
To allow the escape of oxygen and hydrogen gases.
joseph rimiru answered the question on October 2, 2017 at 19:24
- A lady wearing sharp pointed heeled shoes walked through a banking hall lined with wooden tiles. State
...(Solved)
A lady wearing sharp pointed heeled shoes walked through a banking hall lined with wooden tiles. State
what is likely to happen.
Date posted: October 2, 2017. Answers (1)
- Wide tyres are fitted on a vehicle to reduce pressure exert on the road. Explain.(Solved)
Wide tyres are fitted on a vehicle to reduce pressure exert on the road. Explain.
Date posted: October 2, 2017. Answers (1)
- From the expression P = pgh. State the factors that affect pressure of a fluid.(Solved)
From the expression P = pgh. State the factors that affect pressure of a fluid.
Date posted: October 2, 2017. Answers (1)
- Give one function of the cylindrical anodes in the CRO. tube.(Solved)
Give one function of the cylindrical anodes in the CRO. tube.
Date posted: October 2, 2017. Answers (1)
- Atmospheric pressure decreases with increase in height. Explain(Solved)
Atmospheric pressure decreases with increase in height. Explain
Date posted: October 2, 2017. Answers (1)
- What is a bimetallic strip.(Solved)
What is a bimetallic strip.
Date posted: October 2, 2017. Answers (1)
- Give two external factors that affect the rate of evaporation of a liquid.(Solved)
Give two external factors that affect the rate of evaporation of a liquid.
Date posted: October 2, 2017. Answers (1)
- Briefly describe how you would make an electromagnet (Solved)
Briefly describe how you would make an electromagnet
Date posted: October 2, 2017. Answers (1)
- Describe one practical application of the Photoelectric effect.(Solved)
Describe one practical application of the Photoelectric effect.
Date posted: October 2, 2017. Answers (1)
- In a photoelectric effect experiment, light was directed incident to a metal surface. The wavelength of the light was then doubled maintaining the intensity constant....(Solved)
In a photoelectric effect experiment, light was directed incident to a metal surface. The wavelength of the light was then doubled maintaining the intensity constant. Explain the resulting effect to:
(I) Photoelectric current
(ii). Kinetic energy of the Photoelectrons.
(iii). Work function of the metal.
Date posted: October 2, 2017. Answers (1)
- State two factors that affect the heating effect of current flowing through a wire.(Solved)
State two factors that affect the heating effect of current flowing through a wire.
Date posted: October 2, 2017. Answers (1)
- State two factors that affect period of waves in a stretched string.(Solved)
State two factors that affect period of waves in a stretched string.
Date posted: October 2, 2017. Answers (1)
- Explain why the density of the same material changes with temperature increase.(Solved)
Explain why the density of the same material changes with temperature increase.
Date posted: October 2, 2017. Answers (1)
- Define atomic number.(Solved)
Define atomic number.
Date posted: October 2, 2017. Answers (1)
- Define Power.(Solved)
define Power
Date posted: October 2, 2017. Answers (1)
- Define work(Solved)
Define work
Date posted: October 2, 2017. Answers (1)
- Define mechanical advantage.(Solved)
Define mechanical advantage.
Date posted: October 2, 2017. Answers (1)
- Explain why atmospheric pressure decreases towards high altitudes.(Solved)
Explain why atmospheric pressure decreases towards high altitudes.
Date posted: October 2, 2017. Answers (1)
- Explain why it is easier to hear sounds at night than during the day.(Solved)
Explain why it is easier to hear sounds at night than during the day.
Date posted: October 2, 2017. Answers (1)
- Explain why evaporation is always accompanied by a cooling effect.(Solved)
Explain why evaporation is always accompanied by a cooling effect.
Date posted: October 2, 2017. Answers (1)