Answer: A
Explanation:
I took the test it was A
(ANS1)— P4 + 5O2 ---> 2P2O5
(ANS2)— C3H8 + 5O2---> 3CO2 + 4H20
(ANS3)— Ca2Si + 4Cl2 ---> 2CaCl2 + SiCl4
if you really liked this person then it would be no discussion if you really do like this person then you want to wait
Answer:
B .it is an exothermic reaction
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