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Which of these chemical equations is decomposition reaction?
A. 2H2(g) + O2(g) ï® 2H2O(l)
B. CaBr2(aq) + H2SO4(aq) ï® CaSO4(s) + 2HBr(g)
C. 2KNO3(s) ï® 2KNO2(s) + O2(g)
D. 2KBr(aq) + Cl2(g) ï® 2KCl(aq) + Br2(l)
E. 2Al(s) + 3H2SO4(aq) ï® Al2(SO4)3(aq) + 3H2(g)
Which of these chemical equations is decomposition reaction?
A. 2H2(g) + O2(g) ï® 2H2O(l)
B. CaBr2(aq) + H2SO4(aq) ï® CaSO4(s) + 2HBr(g)
C. 2KNO3(s) ï® 2KNO2(s) + O2(g)
D. 2KBr(aq) + Cl2(g) ï® 2KCl(aq) + Br2(l)
E. 2Al(s) + 3H2SO4(aq) ï® Al2(SO4)3(aq) + 3H2(g)
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Bunny GreenfelderLv2
10 Aug 2019
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