1.

The specific test for H_(2)S_(2) is

Answer»

It turns STARCH iodide PAPER to blue COLOUR
It WHITENS BLACKENED lead paintings
Its turns `Ti(SO_(4))` solution to orange colour
It decolourise acidfied `KMnO_(4)` solution

Solution :Only`H_2 O_2` turns`Ti (SO_4)_2`solution toorangecolour .


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