(b) Sulphuric acid is referred to as Oil of vitriol since inside the later middle ages, it was attained being an oily viscous liquid by heating crystals of green vitriol.
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This is a department of science which clarifies the connection concerning warmth and the other energy forms. On The premise of Trade of matter and Power, thermodynamic methods are divided into three varieties – open up, shut and isolated programs.
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CBSE concern paper for CBSE Class 12 Physics Class 11 offers model query paper together with sample papers and marks allotment For each and every query. Practise as quite a few question papers for Class eleven and acquire an appropriate notion of the predicted problem paper.
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This chapter introduces learners to relations and their characteristics. The Cartesian product of sets and its relations are one of the vital ideas explained below.