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Borax bead test : The transparent glassy bead while heated along with inorganic salt and the colour produced gives some idea of cation present in it.
Table:
Colour of bead in oxidising flame
Colour of bead in reducing flame
Basic radical present
Greenish when hot, blue in cold.
Red and opaque
Cu
Dark green in hot and cold
Same
Cr
Deep - blue
Deep blue
Co
Yellow when hot
Green
Fe
Violet in hot and cold
Colourless
Mn
Brown in cold
Grey or black or opaque
Ni
what are the diagonal relationship between berylium and aluminium
atomic volume
200 g of water at 30 degrees C is mixed with 20 g of silver at 350 degrees C, what''s the final temp?
How i operate muffle furnace
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reaction of bisulphite with acid chlorides
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