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1.
On strongly heating 
we get:
we get:
2.
Transition metals in their compounds show:
3.
In the above reaction, X is
In the above reaction, X is
4.
Cynaide process is used for the extraction of
5.
The colour of zinc sulphide is:
6.
The metal extracted by cyanide process is
7.
Which metal gives hydrogen gas on heating with hot concentrated alkali?
8.
Which of the following metal ions is not coloured?
9.
The process of extraction of Au and Ag ores is based on their solubility in:
10.
In the process of extraction of gold,
Roasted gold ore
Identify the complexes [
] and [
]
Roasted gold ore
Identify the complexes [
] and []