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A given white crystalline salt was tested as follows: A flame test on the salt gave a persistent golden-yellow colourisation. What conclusions can be drawn for the observation?

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Question

A given white crystalline salt was tested as follows:

A flame test on the salt gave a persistent golden-yellow colourisation. What conclusions can be drawn for the observation?

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Solution

The flame test of the salt gives persistent golden yellow colourisation which suggests the presence of Na+ ion.

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Action of Alkalis on Metal Oxides
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Chapter 13: Practical Work - EXERCISE-13 [Page 247]

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S.P. Singh Concise Chemistry [English] Class 10 ICSE
Chapter 13 Practical Work
EXERCISE-13 | Q (C) 2. (c) | Page 247

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