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Which of the following is not correct?
(A) The nucleus of tritium is known as ‘Triton’
(B) Mohr’s scale is a scale of Brittleness of materials
(C) H2S + H2SO4 is called Wackenroder’s liquid
(D) Laughing gas was discovered by Priestley in 1774
Actually, Mohr’s scales is a scale of hardness of material and the ordering has been based on the ability of a harder material to scratch a soften one.
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