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Glass can be etched or scratched by which of the following materials? (1) Diamond (2) Hydrofluoric acid (3) Aquaregia (4) conc. Sulphuric acid Code: |
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Answer» Glass can be etched or scratched by which of the following materials? (1) Diamond (2) Hydrofluoric acid (3) Aquaregia (4) conc. Sulphuric acid Code: |
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