Phosphoric acid is produced in wet process from phosphate rock and Options: A . &nbspDilute H₂SO₄ B . &nbspConcentrated H₂SO₄ C . &nbspConcentrated NHO₃ D . &nbspConcentrated HCl

Phosphoric acid is produced in wet process from phosphate rock and

Question

Phosphoric acid is produced in wet process from phosphate rock and

Options:

A . Dilute H₂SO₄

B . Concentrated H₂SO₄

C . Concentrated NHO₃

D . Concentrated HCl

Answer: Option A

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Question 1. Which of the following does not come under the category of 'micro-nutrient' for plant growth?....

Question 2. Reaction of __________ acid with phosphate rock produces superphosphates.....

Question 3. PH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant.....

Question 4. Effectiveness of a fertiliser is independent of the....

Question 5. Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by....

Question 6. Two gas based fertiliser plants are located in....

Question 7. Which of the following does not come under the category of 'secondary nutrient' for plant growth?....

Question 8. Which of the following does not come under the category of'primary nutrient' for plant growth?....

Question 9. Ammonia synthesis gas is produced from fuel oil by....

Question 10. Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at _____....phosphate rock to elemental phosphorous is maintained at __________ °C.

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