- Instant death
- Gene mutation
- Induce cancer
john3 answered the question on November 9, 2017 at 11:49
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Date posted: November 9, 2017. Answers (1)
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(b) State four gaseous substances present in unpolluted air
Date posted: November 9, 2017. Answers (1)
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(a) Why is air considered as a mixture rather than a compound ?
(b) State one similarity between rusting and combustion of iron.
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Date posted: November 9, 2017. Answers (1)
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Date posted: November 9, 2017. Answers (1)
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Date posted: November 9, 2017. Answers (1)
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Date posted: November 9, 2017. Answers (1)
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Date posted: November 9, 2017. Answers (1)
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Date posted: November 9, 2017. Answers (1)
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Date posted: November 9, 2017. Answers (1)
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(b) Explain the meaning of the term ductility a property found in metals
Date posted: November 9, 2017. Answers (1)
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Date posted: November 9, 2017. Answers (1)
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Date posted: November 9, 2017. Answers (1)
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Explain the following observation made by a form three student.
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Date posted: November 9, 2017. Answers (1)
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When Iron is added to blue Copper (II) sulphate solution, the solution turns light green and a brown solid is precipitated.
a) Identify the type of reaction described above.
b)Explain the observations made
Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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Name the products of electrolysis of fused copper (II) chloride using carbon electrodes.
(i) Anode
(ii) Cathode
Explain
Date posted: November 8, 2017. Answers (1)
- The heat of neutralization of a strong acid is usually 57.4kJmol-1, whereas that of a weak acid is less than 57.4kJmol-1 .
Explain(Solved)
The heat of neutralization of a strong acid is usually 57.4kJmol-1, whereas that of a weak acid is less than 57.4kJmol-1 .
Explain
Date posted: November 8, 2017. Answers (1)
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Explain the following observations.
a)Aluminium is used in the manufacture of pans and sufurias.
b)Magnesium Oxide has a higher melting point than sodium oxide
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Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)
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Date posted: November 8, 2017. Answers (1)