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प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
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उत्तर
PbO or CuO
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संबंधित प्रश्न
Explain with reason:
In the electrolytic reduction of alumina, the graphite anode is gradually consumed.
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Write balanced equation for the following reaction:
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In order to obtain one tone of aluminium, the following inputs are required:
4 tones of bauxite, 150 Kg of sodium hydroxide and 600 Kg of graphite.
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(i) Write the formula of cryolite.
(ii) Write down the word which correctly completes the following sentence.
"By dissolving aluminium oxide in cryolite, a ______ (conducting / non- conducting) solution is produced.
(iii) Why so much graphite required for this electrolytic process.
(iv) Write the equation for the reaction which takes place at cathode.
Answer the following question with respect by hydrogen :
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Write the observation for the following:
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Give the equation for the reduction of Iron (III) oxide.
Give the equations for the reduction of Lead (II) oxide.
