Mathematics, 11.10.2019 01:30, weirdojuwin

Identify the double displacement reaction.

2nh3 + h2so4 ⟶ (nh4)2so4
2nabr + ca(oh)2 ⟶ cabr2 + 2naoh
2no2 ⟶ 2o2 + n2
3pb + 2h3po4 ⟶ 3h2 + pb3(po4)2

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Identify the double displacement reaction.

2nh3 + h2so4 ⟶ (nh4)2so4
2nabr + ca(oh)...