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Phosphorus and its Compounds MCQ with Answers. We covered all the Phosphorus and its Compounds MCQ with Answers in this post for free so that you can practice well for the exam.
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MCQ on Phosphorus and its Compounds for Students
During phosphorus extraction, the electric furnace operates at a temperature of:
a. 2400°C
b. 3200°C
c. 3000°C
d. 1500°C
Option d – 1500°C
What is the ignition temperature of white phosphorus?
a. 35°C
b. 44°C
c. 417°C
d. 280°C
Option a – 35°C
White phosphorus has a characteristic smell similar to:
a. Rotten eggs
b. Fish
c. Pungent odor
d. Garlic
Option d – Garlic
The boiling point of white phosphorus is approximately:
a. 417°C
b. 280°C
c. 200°C
d. 295°C
Option b – 280°C
Bones primarily consist of:
a. Calcium nitrate
b. Calcium phosphate
c. Calcium chloride
d. Calcium fluoride
Option d – Calcium fluoride
What percentage of calcium phosphate is found in bone ash?
a. 85%
b. 50%
c. 62%
d. 48%
Option a – 85%
Which of the following is a major ore of phosphorus?
a. Bauxite
b. Phosphorite
c. Gypsum
d. Haematite
Option b – Phosphorite
We covered all the phosphorus and its compounds MCQ with answers above in this post for free so that you can practice well for the exam.
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