1. Hydrogen and oxygen gas produced are highly flammable
2. It is very heavy and not easily portable
3. sulphuric acid can spill and can causes burns.
chrispohmomanyi answered the question on October 9, 2017 at 11:31
- State two disadvantages of simple cell.(Solved)
State two disadvantages of simple cell.
Date posted: October 9, 2017. Answers (1)
- State two types of cells.(Solved)
State two types of cells.
Date posted: October 9, 2017. Answers (1)
- What is a capacitor?(Solved)
What is a capacitor?
Date posted: October 9, 2017. Answers (1)
- Define Surface charge density.(Solved)
Define Surface charge density.
Date posted: October 9, 2017. Answers (1)
- State two properties of electric field lines(Solved)
State two properties of electric field lines
Date posted: October 9, 2017. Answers (1)
- Describe three ways of discharging an electroscope(Solved)
Describe three ways of discharging an electroscope
Date posted: October 9, 2017. Answers (1)
- State two methods of charging an electroscope.(Solved)
State two methods of charging an electroscope.
Date posted: October 9, 2017. Answers (1)
- State the functions of the following parts of the gols-leaf electroscope.
1. Insulator
2. Metal plate(Solved)
State the functions of the following parts of the gols-leaf electroscope.
1. Insulator
2. Metal plate
Date posted: October 9, 2017. Answers (1)
- State three methods of demagnetization (Solved)
State three methods of demagnetization
Date posted: October 9, 2017. Answers (1)
- State four methods of magnetization.(Solved)
State four methods of magnetization.
Date posted: October 9, 2017. Answers (1)
- Define dispersion as used in refraction.(Solved)
Define dispersion as used in refraction.
Date posted: October 9, 2017. Answers (1)
- Define the absolute refractive index of a medium.(Solved)
Define the absolute refractive index of a medium.
Date posted: October 9, 2017. Answers (1)
- State the main disadvantage of convex mirrors.(Solved)
State the main disadvantage of convex mirrors.
Date posted: October 9, 2017. Answers (1)
- State two applications of lens.(Solved)
State two applications of lens.
Date posted: October 8, 2017. Answers (1)
- State any three disadvantages of a liquid in glass thermometers(Solved)
State any three disadvantages of a liquid in glass thermometers
Date posted: October 8, 2017. Answers (1)
- State any three types of thermometers(Solved)
State any three types of thermometers
Date posted: October 8, 2017. Answers (1)
- A machine uses an effort of 500 N to raise a load of 800 N. it has an efficiency of 80%. Determine its velocity ratio.(Solved)
A machine uses an effort of 500 N to raise a load of 800 N. it has an efficiency of 80%. Determine its velocity ratio.
Date posted: October 6, 2017. Answers (1)
- A wooden block of mass 3 kg was placed on a horizontal surface. A force 34 N applied horizontally produced an acceleration of 8...(Solved)
A wooden block of mass 3 kg was placed on a horizontal surface. A force 34 N applied horizontally produced an acceleration of 8 m/s^2. Determine the frictional force between the block and the surface.
Date posted: October 6, 2017. Answers (1)
- A hockey player hits a ball mass 0.8 kg initially at rest using a force of 840 N. if the hockey stick was in contact...(Solved)
A hockey player hits a ball mass 0.8 kg initially at rest using a force of 840 N. if the hockey stick was in contact with the ball for 0.2 seconds, what was the speed the ball took off with?
Date posted: October 6, 2017. Answers (1)
- A boy jumped from a platform and landed on a mattress. Explain how the mattress helps in reducing the force of impact.(Solved)
A boy jumped from a platform and landed on a mattress. Explain how the mattress helps in reducing the force of impact.
Date posted: October 6, 2017. Answers (1)