Chemistry-
General
Easy
Question
The colour of the solid produced by adding SnCl2 in excess to a solution of HgCl2 is
- white
- black
- yellow
- brown
The correct answer is: black
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Let A and B be two square matrices of the same dimension and let [A, B] = AB - BA. Then for three matrices A, B, C, [[A, B], C] + [[B, C], A] + [[C, A], B] is equal to
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Maths-General
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If for
If for
Maths-General