Question

Alum used in various industrial processes especially dyeing contains, besides the sulphate of one univalent metal and water of crystallisation, the sulphate of a; 1) Bivalent metal; 2) Trivalent metal; 3) Tetravalent metal; 4) Pentavalent metal

Answer 1

2) Trivalent metal

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Alum used in various industrial processes especially dyeing contains, besides the sulphate of one univalent metal and water of crystallisation, the sulphate of aTrivalent metal

Answer 2

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$\bold{\underline{Question-}}$


Alum used in various industrial processes especially dyeing contains, besides the sulphate of one univalent metal and water of crystallisation, the sulphate of a; 1) Bivalent metal; 2) Trivalent metal; 3) Tetravalent metal; 4) Pentavalent metal


$\bold{\underline{Answer-}}$


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Alum used in various industrial processes especially dyeing contains, besides the sulphate of one univalent metal and water of crystallisation, the sulphate of a;
1) Bivalent metal;
2) Trivalent metal;✔️
3) Tetravalent metal;
4) Pentavalent metal


The example of Trivalent elements is Aluminium, iron, chromium






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