Alum or fitkari is a naturally occurring salt usually made of potassium alum. Often available in crystal form, the colourless ...

They are also given unknown samples marked A, B, and C. One is salt, one is sugar, and the other is alum, which looks like it could be either salt or sugar. Students first use a dissolving test to see ...

after stating the difficulties attending a thorough mixture of the ingredients of alum I baking powders: " But even if the exact proportions were maintained, the salts formed would retain their ...

The salt may look a little grayer than the sugar which may look whiter than the salt. The alum may sparkle a little more and look a little shinier than the salt or sugar. Use masking tape and a pen to ...