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In the manufacture of H3PO4 (ortho); strong H2SO4 leaching wet process as compared to electric furnace process
Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?
Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?
Consider the following statements regarding clutches 1. Dry clutch has higher coefficient of friction compared to wet clutch 2. The torque capacity of wet clutch is high compared to dry clutch. 3. The engagement in a dry clutch is smoother than in case of wet clutch. Which of the above statements is/are correct ?
In the manufacture of orthophosphoric acid by strong H2SO4 leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable
ভিনেগার প্রস্তুতিতে ঈস্টের বৃদ্ধিতে সহায়তা করতে ব্যবহৃত হয়- (i) (NH4)2 SO4 (ii) (NH4)2 SO3  PO4 (iii) NH4 NO3নিচের কোনটি সঠিক?
The question given below consists of a statement, followed by two arguments numbered I and II. You have to decide which of the arguments is a 'strong' argument and which is a 'weak' argument. Statement: Should women serve in combat units? Arguments: I. Yes, allowing women to serve in combat units is a positive step towards gender equality. II. No, women are the most emotional gender in India Give answer: (A) If only argument I is strong (B) If only argument II is strong (C) If either I or II is strong (D) If neither I nor II is strong and
Electric process as compared to wet process (for the manufacture of phosphoric acid)
Consider the following statements for an induction furnace: 1. High-frequency current is generally used for the furnace working. 2. There is less loss of alloying elements due to oxidation. 3. Pronounced stirring action of molten metal occurs inside the furnace. 4. Slag cover is essential for the efficient working of the furnace. Which of the above statements are correct?
নিম্নের বিক্রিয়া হতে  K2Cr2O7 ও  Fe(II)     লবণের মোলার অণুপাত বের কর।       K2Cr2O7 + 7H2SO4 +6FeSO4→3Fe2(SO4)3 +K2SO4 +Cr2(SO4)3 +7H2O