An element reacts with oxygen to give a compound with a high melting point. This compound isalso soluble in water. The element is likely to be(a) calcium(b) carbon(c) silicon(d) iron Get link Facebook X Pinterest Email Other Apps December 17, 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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