Question

An element A reacts with C compound BO3 to produce A3O4 and B2O3. The no. of moles of A3O4 produced if one mole each of A and BO3 is reacted, is
(1) 3
(2) 1/3
(3) 2/3
(4) 1

Answer 1

Answer:

third one is the answer........

Answer 2

Answer:

তৃতীয়টি উত্তর .......