Science Homework Help

In the reactions presented below, how many redox reactions are there?

HCl_(aq) + NaOH_(aq) → NaCl_(aq) + H₂O_(l)

CH_4(g) + 2O_2(g) → CO_2(g) + 2H₂O_(l)

AgNO_3(aq) + NaCl_(aq) → AgCl_(s) + NaNO_3(aq)

2H_2(g) + O_2(g) → 2H₂O_(l)

HCl_(aq) + NaHCO_3(aq) → NaCl_(aq) + CO_2(g) + H₂O_(l)

2C₆H_6(l) + 15O_2(g) → 12CO_2(g) + 6H₂O_(l)

CuSO_4(aq) + Mg_(s) → Cu_(s) + MgSO_4(aq)

Group of answer choices

1

5

3

2

4

0