Hamad Group VA and VIA Elements 20/07/2024 A. 260°C B. 360°C C. 630°C D. 620°C Related Mcqs: Acetic anhydride can be obtained by treating ethyl alcohol with___________________?A. P2O5 B. H2SO4 C. Both A and B D. PCI5... Phosphorous acid upon thermal decomposition yields phosphoric acid and____________________?A. Phosphine B. Phosphorus C. Water D. Phosphorus pentoxide... Phosphene gas will be produced if phosphorous acid is subjected to___________________?A. Oxidation B. Reduction C. Decomposition D. Both b & c... Which one of following is not a property of pure quartz ?A. Coloured solid B. Brittle C. Hard D. All of above... In which compound nitrogen has maximum oxidation state____________________?A. N2O B. NO2 C. HNO2 D. HNO3...
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