Question

solve kr do yrrr.......plzzzzzzzzzz​

Answer 1

Answer:

first one exothermic reaction

second one precipitation reaction

the eqns. are 4NH3 + 5O2--------- 4NO +6H2O

for second FeSO4 + NaOH -------- Fe(OH)2 (green ppt.)

+ Na2SO4

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Answer 2

Answer:exothermic reaction is the right ans for 1.

Precipitation reaction is the right ans for 2.

Explanation:1)CH4+2O2->CO2+2H2O

2)Na2So4+BaCl2->BaSO4+2NaCl