In the manufacture of Superphosphate, bone ash is mixed with ___________.

hydrochloric acid

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sulphuric acid

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nitric acid

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none of these

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Solution

The correct option is D sulphuric acid
Superphosphate is the chief material supplying phosphoric acid in fertilizer and may be considered the basis of the modern fertilizer industry.
It is made by mixing of about equal weight of finely ground phosphate rock and sulphuric acid.

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Similar questions

Q. Reactants of superphosphate are mixed in a ____________ chamber with a mechanical stirrer and two valves at the bottom.

Q. When a particular quantity of a hydrochloric acid solution is mixed with a particular quantity of sodium hydroxide solution, one gets a :

Q. What will happen if (a) Bone is dipped in hydrochloric acid (HCI); (b) Bone is dried?

Name the following:
(i) Acid present in the stomach of mammals.
(ii) Drying agent used to dry hydrogen chloride.
(iii) Salt obtained by heating sodium chloride with concentrated sulphuric acid below 200 degree celsius.
(iv) Gas that yields dense white fumes when mixed with hydrogen chloride.
(v) Two solution that yield white precipitates, when treated with hydrogen chloride or hydrochloric acid.
(vi) Gas obtained by treating metals with hydrochloric acid.
(vii) Gas obtained by treating ferrous sulphide with hydrochloric acid.
(viii) Five oxidizing agents that liberate chlorine from concentrated hydrochloric acid.
(ix) Acid used to extract glue from bones.
(x) A chloride which is soluble in excess of ammonium hydroxide.
(xi) A greenish yellow gas.
(xii) A chemical in which gold can be dissolved.
(xiii) A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
(xiv) Two colourless gases which when mixed produce a white solid.

To make a mixture which can dissolve gold, nitric acid and hydrochloric acid are to be mixed in the ratio 3 : 1. With 12 milliliters of hydrochloric acid, how much nitric acid should be mixed?

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In the manufacture of Superphosphate, bone ash is mixed with ___________.

The correct option is D sulphuric acidSuperphosphate is the chief material supplying phosphoric acid in fertilizer and may be considered the basis of the modern fertilizer industry. It is made by mixing of about equal weight of finely ground phosphate rock and sulphuric acid.

The correct option is D sulphuric acid
Superphosphate is the chief material supplying phosphoric acid in fertilizer and may be considered the basis of the modern fertilizer industry.
It is made by mixing of about equal weight of finely ground phosphate rock and sulphuric acid.