Catalyst used in an industrial process (contact process, Fischer-Tropsch)

This type of question, asked 3 times: 9 May 2024 S1, 22 Apr 2025 S2, 20 Apr 2026 S1. All 3 questions below, oldest first.

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Question 1
9 May 2024 S1
51 $Which of the following metals is used as catalyst in manufacture of sulphuric acid by contact process?$
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Question 2
22 Apr 2025 S2
89 $Which from following is used as catalyst in Fisher Tropsch process for the synthesis of gasoline?$
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Question 3
20 Apr 2026 S1
34 $Identify the catalyst used in synthesis of gasoline by Fischer Tropsch process.$
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Question 1