This is the eating away of zinc electrode due to the reaction of impurities present in zinc with the acid.
chrispohmomanyi answered the question on September 28, 2017 at 11:54
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Explain why solids have definite shapes.
(Solved)
Explain why solids have definite shapes.
Date posted:
September 28, 2017
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Answers (1)
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Describe one method of determining the diameter of the oil drop
(Solved)
Describe one method of determining the diameter of the oil drop
Date posted:
September 27, 2017
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Answers (1)
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State the principle of conservation of energy
(Solved)
State the principle of conservation of energy
Date posted:
September 27, 2017
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Answers (1)
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State any three ways by which power is lost in the transformer.
(Solved)
State any three ways by which power is lost in the transformer.
Date posted:
September 27, 2017
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Answers (1)
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Explain why transformers are used at generating stations to step up the voltage for transmission.
(Solved)
Explain why transformers are used at generating stations to step up the voltage for transmission.
Date posted:
September 27, 2017
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Answers (1)
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Explain why soft iron core is more suitable than steel core for use in the electromagnet.
(Solved)
Explain why soft iron core is more suitable than steel core for use in the electromagnet.
Date posted:
September 27, 2017
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Answers (1)
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Define the term work function.
(Solved)
Define the term work function.
Date posted:
September 27, 2017
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Answers (1)
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Define the term velocity and acceleration.
(Solved)
Define the term velocity and acceleration.
Date posted:
September 27, 2017
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Answers (1)
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Explain why water would boil faster at the mountain top than at the sea level.
(Solved)
Explain why water would boil faster at the mountain top than at the sea level.
Date posted:
September 27, 2017
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Answers (1)
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Explain why mercury does not wet the glass.
(Solved)
Explain why mercury does not wet the glass.
Date posted:
September 27, 2017
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Answers (1)
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Metals cannot be charged by friction. Explain.
(Solved)
Metals cannot be charged by friction. Explain.
Date posted:
September 27, 2017
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Answers (1)
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State three effects produced by an electric current.
(Solved)
State three effects produced by an electric current.
Date posted:
September 27, 2017
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Answers (1)
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Explain why is it easier to open a metallic cap of a glass bottle by inserting it hot water.
(Solved)
Explain why is it easier to open a metallic cap of a glass bottle by inserting it hot water.
Date posted:
September 27, 2017
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Answers (1)
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Define radioisotopes
(Solved)
Define radioisotopes
Date posted:
September 27, 2017
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Answers (1)
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Explain how can a concave mirror be used as a shaving mirror
(Solved)
Explain how can a concave mirror be used as a shaving mirror
Date posted:
September 27, 2017
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Answers (1)
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State the principle of conservation of momentum
(Solved)
State the principle of conservation of momentum
Date posted:
September 27, 2017
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Answers (1)
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State ways of reducing friction between two surfaces
(Solved)
State ways of reducing friction between two surfaces
Date posted:
September 27, 2017
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Answers (1)
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Explain why on a hot day, a dry road may seem to have pools of water when observed from a distance.
(Solved)
Explain why on a hot day, a dry road may seem to have pools of water when observed from a distance.
Date posted:
September 27, 2017
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Answers (1)
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State any three factors on which the resistance of the conductor depends
(Solved)
State any three factors on which the resistance of the conductor depends
Date posted:
September 27, 2017
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Answers (1)
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Explain why one feels colder when walking on a concrete floor than on the carpeted floor.
(Solved)
Explain why one feels colder when walking on a concrete floor than on the carpeted floor.
Date posted:
September 27, 2017
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Answers (1)