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# Which of the following statements is not correct ?

$\begin {array} {1 1} (A)\;\text{Mercury (II) oxide exists in two forms - a red variety and a yellow variety} \\ (B)\;\text{The difference in colour of the two varieties of HgO is due to the particle size - the particles of red variety are smaller} \\ (C)\;\text{The varieties of HgO have the same crystalline structure} \\ (D)\;\text{Red HgO is used as pigment} \end {array}$

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## 1 Answer

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Answer : The difference in colour of the two varieties of HgO is due to the particle size - the particles of red variety are smaller
The particles of the yellow variety of HgO are smaller.
answered Aug 1, 2014

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