CBSE XII Science Chemistry Isolation of Elements
metullargy
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23rd February 2008
10:30 AM
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CBSE X Chemistry Metals and Non Metals
what is frash process?
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19th March 2008
1:27 AM
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CBSE XII Science Chemistry Isolation of Elements
Why is that only sulphide ores are concentrated by froth floatation?
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13th January 2018
11:37 AM
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CBSE X Chemistry Metals and Non Metals
Stages involved in metallurgy
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13th March 2018
7:19 AM
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ICSE X Chemistry Metallurgy
Give reason why roasting is carried out on sulphide ores and not on carbonate ores
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17th March 2018
5:07 PM
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CBSE XII Science Chemistry Isolation of Elements
In Carius method, for the estimation of halogen, 0.15g of an organic compound gave 0.12g of AgBr. The percentage of bromine in the compound is (a) 34.04% (b) 66.04% (c) 44.04% (d) 54.04%
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25th April 2018
6:50 PM
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CBSE XII Science Chemistry Isolation of Elements
When is each of the following refining processes used? 1. zone refining 2. electrolytic refining 3. vapor phase refining
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4th July 2018
2:21 AM
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CBSE XII Science Chemistry Isolation of Elements
what do you mean by ellingams diagram ? explain its importance
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7th August 2018
11:23 AM
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CBSE X Chemistry Metals and Non Metals
why it is easier to obtain a metal from its oxide as compared to its sulphide and carbonate
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24th September 2018
11:52 PM
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CBSE X Chemistry Metals and Non Metals
Write chemical equations for the reactions taking place when Zinc sulphide is heated in air Zinc carbonate is calcined Manganese dioxide is heated with aluminium powder
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20th October 2018
5:02 AM
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CBSE X Chemistry Metals and Non Metals
What is meant by metallurgy?
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2nd December 2018
2:42 PM
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CBSE X Chemistry Metals and Non Metals
An ore of a metal if found as a carbonate ore, what steps would you take to convert such concentrated ore into a free metal.
Asked by Sunita10.satija
22nd February 2019
10:59 AM
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CBSE X Chemistry Metals and Non Metals
which process is used for obtaining a metal from its oxide
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25th February 2019
11:25 PM
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ICSE X Chemistry Metallurgy
oxides of sodium cannot be reduced by common reducing agents like coke,carbon monoxide or hydrogen
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11th June 2019
10:04 PM
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NEET NEET Chemistry General Principles and Processes of Isolation of Metals
in the process of extraction of metal why we don't convert concentrated ore directly into metal instead of converting it 1st into oxide and then into metal?
Asked by rohitraman1115
27th September 2019
3:10 PM
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CBSE XII Science Chemistry Isolation of Elements
Can you please explain brask furnance part of metallurgy
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26th January 2020
11:58 AM
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CBSE X Chemistry Metals and Non Metals
10 examples of enrichment of ore
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1st September 2022
3:04 PM
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