Phosphorus and its Compounds MCQ with Answers

Bone ash contains …….. percent of calcium phosphate 1. 85 2. 50 3. 62 4. 48

Bones contain 1. calcium nitrate 2. calcium phosphate 3. calcium chloride 4. calcium fluoride

Boiling point of white phosphorus 1. 417°C 2. 280°C 3. 200°C 4. 295°C

The smell of white phosphorus is 1. rotten eggs 2. fishy 3. pungent 4. garlic

The ignition temperature of white phosphorus 1. 35°C 2. 44°C 3. 417°C 4. 280°C

The temperature at which the electrical furnace is manufactured in the extraction of phosphorus is 1. 2400°C 2. 3200°C 3. 3000°C 4. 1500 °C

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Phosphorus and its Compounds MCQ with Answers

The important ore of phosphorus is 1. Bauxite 2. Phosphorite 3. Gypsum 4. Haematite

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Bone ash contains …….. percent of calcium phosphate 1. 85 2. 50 3. 62 4. 48

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Bones contain 1. calcium nitrate 2. calcium phosphate 3. calcium chloride 4. calcium fluoride

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Boiling point of white phosphorus 1. 417°C 2. 280°C 3. 200°C 4. 295°C

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The smell of white phosphorus is 1. rotten eggs 2. fishy 3. pungent 4. garlic

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The ignition temperature of white phosphorus 1. 35°C 2. 44°C 3. 417°C 4. 280°C

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The temperature at which the electrical furnace is manufactured in the extraction of phosphorus is 1. 2400°C 2. 3200°C 3. 3000°C 4. 1500 °C

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