Silver article become black on prolonged exposued. To air this is due to the formation of
Anonymous Quiz
37%
Ag3N
42%
Ag3O
16%
Ag2s
5%
Ag3n
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Which one of the following would be displaced from the soln of its salt by other three metal
Anonymous Quiz
31%
Mg
34%
Ag
24%
Zn
11%
Cu
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Electrical wire have. A coating of an insulating material the material generally used is
Anonymous Quiz
18%
Sulphur
32%
Graphite
35%
Pvc
15%
All can be used
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Metal such as sodium and potassium are kept immeresed in
Anonymous Quiz
49%
Kerosene oil
20%
Water
22%
Carbon di sulphide
9%
Alchol
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Which of the following oxides will not react with dilute sulphuric acid
Anonymous Quiz
39%
Co2
28%
Mgo
19%
CUO
14%
NA2O
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Which instrument is used for record the electrical change during herat beat
Anonymous Quiz
33%
Electroheartbeat
56%
Electrocardiograph
6%
Electromechanical
5%
Electroplate
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👍2
😢3👍2🥰1👏1
Identify the pericipate obtained by the reaction between lead nitrate and sodium sulphate
Anonymous Quiz
16%
Pbs
60%
Pbso4
20%
Nano3
4%
Pbso
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Forwarded from Shubham Jha - Class 11 & 12 (Shubham Jha)
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