Hamad Group VA and VIA Elements 20/04/2020 A. Nitrogen B. Phosphorus C. Carbon D. Bismuth Related Mcqs: Which of the following will give phosphoric acid one reaction with water_________________?A. PCI5 B. P2O3 C. P2O5 D. All of the above... Phosphorus is a Greek word and it means_________________?A. Light bearing B. Fire C. Impure D. Tetrahedral... 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...
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