[b]CHEMISTRY Q BY VISHAL[/b]

IIT JEE 2015 Papers › General Chemistry questions › [b]CHEMISTRY Q BY VISHAL[/b]

hi evrione in this forum i will try to put some imp chem Q on a regular basis most of the q will be thought provoking & conceptual but please do tell if they are too easy

i will add the Qs in the second post and other things in 5th post

#Chemistry #General Chemistry

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33 Answers

greatvishal swami ·2009-03-02 05:44:47

hey evry1 i will also put some imp tips and facts related to Q in this forum

FACT1: lapis lazuli is rare mineral having blue colour .Ultramarine is an artificial lapis lazuli.It's a complex of silicate of sodium and aluminium containing 12% sulphur.

FACT2: HUME ROTHERY RULE for complete miscibility
1. the 2 metals must be similar in size .Their metallic radius must not differ [by more than 15%
2. Both metals must have the same crystal structure.
3. the chemical properties of the metals must be similar .In particular the number of velency electrons should be the same.