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d-and f-Block Elements - ISC Class 12 Chemistry Questions with Answers, Page 5

81 past-paper questions on d-and f-Block Elements from ISC Class 12 Chemistry papers (2027-2018), newest first, in full. Questions 81-81 are on this page, 20 to a page. Tap "Show answer" under a question to see its answer.

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2018 · 3 marks · Fill inOpen: Complete the following chemical equations: _______ _______ _______
Complete the following chemical equations:
(i)
$\text{K}_2\text{Cr}_2\text{O}_7 + \text{H}_2\text{SO}_4 + \text{FeSO}_4 \rightarrow$ _______
(ii)
$\text{K}_2\text{Cr}_2\text{O}_7 + \text{H}_2\text{SO}_4 + \text{H}_2\text{S} \rightarrow$ _______
(iii)
$\text{KMnO}_4 + \text{H}_2\text{SO}_4 + \text{H}_2\text{C}_2\text{O}_4 \rightarrow$ _______

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