Which of the following reactions could be used to produce hydrogen gas? ► View Available Hint(s) Ag(s)+HCl(aq)→ Ni(s)+H₂O(1)→ Al(s) +H₂O(1)→ Zn(s)+HCl(a)→
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Metals that are more reactive than hydrogen can displace hydrogen from acids or water. Show more…
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Which of the following reactions is both gas-evolution reaction and double-displacement reaction? A. AgNO3(aq) + KCl(aq) --> AgCl(s) + KNO3(aq) B. NiSO3(s) --> NiO(s) + SO2(g) C. Zn(s) +H2SO4(aq) --> ZnSO4(aq) + H2(g) D. NaHS(aq) + HCl(aq) --> H2S(g) + NaCl(aq)
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Complete and balance the equations for the following single-displacement reactions: a. $\mathrm{Zn}+\mathrm{Pb}\left(\mathrm{NO}_{3}\right)_{2} \longrightarrow$ ________ b. $\mathrm{Al}+\mathrm{Hg}\left(\mathrm{CH}_{3} \mathrm{COO}\right)_{2} \longrightarrow$ ________ c. $\mathrm{Al}+\mathrm{NiSO}_{4} \longrightarrow$ ________ d. $\mathrm{Na}+\mathrm{H}_{2} \mathrm{O} \longrightarrow$ ________
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