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ICSE Class 10 Chemistry Question 10 of 23

Solved Sample Paper 3 — Question 3

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3
Question

Question 3(iii)

Name the ions present in

(a) alumina

(b) fluorspar

(c) sulphuric acid

Answer

(a) alumina [Al2O3] — Al3+ and O2-

(b) fluorspar [CaF2]— Ca2+ and F-

(c) sulphuric acid [H2SO4] — H+ and SO42-