Fertiliser Technology Chemical formula of metaphosphoric acid is H₄P₂O₇ Same as that of pyrophosphoric acid HPO₃ H₃PO₄ H₄P₂O₇ Same as that of pyrophosphoric acid HPO₃ H₃PO₄ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A potassic fertiliser contains 50% K₂O. It could be Potassium chloride None of these Potassium sulphate A mixture of NaCl+ KCl Potassium chloride None of these Potassium sulphate A mixture of NaCl+ KCl ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It gets oxidised above 500°C Its activity declines rapidly, if heated to above 520°C It decomposes ammonia None of these It gets oxidised above 500°C Its activity declines rapidly, if heated to above 520°C It decomposes ammonia None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Main constituent of phosphate rock is Ammonium phosphate Calcium phosphate Calcium fluoride Flour apatite Ammonium phosphate Calcium phosphate Calcium fluoride Flour apatite ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Red phosphorous is changed into white phosphorous by Vaporisation followed by condensation None of these Melting under pressure Heating in presence of light Vaporisation followed by condensation None of these Melting under pressure Heating in presence of light ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is the most suitable fertiliser for paddy? Ammonium sulphate Superphosphate Ammonium nitrate CAN Ammonium sulphate Superphosphate Ammonium nitrate CAN ANSWER DOWNLOAD EXAMIANS APP
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