Type of solid (ionic, covalent, molecular, metallic) of a given substance

This type of question, asked 3 times: 16 May 2023 S1, 12 May 2024 S2, 15 Apr 2026 S2. All 3 questions below, oldest first.

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Question 1
16 May 2023 S1
92 $What type of solid is the silica?$
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Question 2
12 May 2024 S2
82 $What type of solid is ice?$
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Question 3
15 Apr 2026 S2
21 $Identify the covalent crystal from the following.$
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