Carbon Carbon in the form of graphite is used in electrodes in dry cells and electric arcs because it is…
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Copper It is used for making electrical wires, cables, coils for various electrical appliances because it is a good conductor…
Multiple Choice Questions 1. Which of the following statements about the autotrophs is incorrect? (a) They synthesise carbohydrates from carbon…
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Multiple Choice Questions Question 1. Which of the following is a non-renewable source of energy? (a) Wood (b) Sun (c) Fossil…
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1. Which of the following metals is present in the anode mud during the electrolytic refining of copper? (a) Sodium (b)…
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