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5/75 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Identification Of Ions
Which ion does NOT give a flame colour?
What is the colour of an aqueous solution containing Fe²⁺ ions?
What is the colour of the precipitate formed when sodium hydroxide solution is added to an aqueous solution containing Fe³⁺ ions?

To a test solution, add barium chloride solution and then add excess dilute hydrochloric acid or nitric acid.

If a white precipitate is formed which is soluble in excess acid liberating sulphur dioxide gas, then the substance contains a:

The flame coulour of Ca²⁺ is?