Metals and Non-metals
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250
Metals X and Y can be recovered from the anode mud left behind after the electrolytic refi...
By Jaiyush19, 3 years ago
replies 1
0
1
207
A black metal oxide XO2 is used as a catalyst in the preparation of oxygen gas from potass...
By Jaiyush19, 3 years ago
replies 1
0
1
362
Four metals P, Q, R and S are all obtained by the reduction of their oxides with carbon. M...
By Jaiyush19, 3 years ago
replies 1
0
1
202
When an object made of metal A is kept in air for a considerable time, it loses its shine ...
By Jaiyush19, 3 years ago
replies 1
0
1
355
A metal X which is resistant to corrosion is produced by the electrolysis of its molten ox...
By Jaiyush19, 3 years ago
replies 1
0
1
440
In an electrolytic tank, aluminium metal is being extracted by the electrolysis of molten ...
By Jaiyush19, 3 years ago
replies 1
0
1
346
No chemical reaction takes place when granules of a rusty-brown solid A are mixed with the...
By Jaiyush19, 3 years ago
replies 1
0
1
193
A metal which exists as a liquid at room temperature is obtained by heating its sulphide o...
By Jaiyush19, 3 years ago
replies 1
0
1
408
An element A which is a part of common salt and kept under kerosene reacts with another el...
By Jaiyush19, 3 years ago
replies 1
0
1
198
Which metal is extracted from calamine ore? (b) Name one ore of mercury. Which mercury com...
By Jaiyush19, 3 years ago
replies 1
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