A shiny brown-coloured element 'X' on heating in air becomes black in colour. Name the element 'X' and the black coloured compound formed. Get link Facebook X Pinterest Email Other Apps September 26, 2024 Get link Facebook X Pinterest Email Other Apps Comments
Solve the following pair of linear equations by the substitution method(i) x + y = 14 ; x - y = 4(ii) s - t = 3 ; s/3 + t/2 = 6 (iii) 3x - y = 3 ; 9x - 3y = 9(iv) 0.2x + 0.3y = 1.3 ; 0.4x + 0.5y = 2.3 (v) √2x + √3y = 0 ; √3x - √8y = 0 (vi) 3x/2 - 5y/3 = - 2 ; x/3 + y/2 = 13/6 November 25, 2024 Read more
Metallic oxides of zinc, magnesium and copper were heated with the following metals.In which cases will you find displacement reactions taking place? December 11, 2024 Read more
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