You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice.Explain why these sour substances are effective in cleaning the vessels. Get link Facebook X Pinterest Email Other Apps December 27, 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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