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Which of the following equations does not have 1:2:1:2 as the coefficient ratio when balanced?


A) H₂SO₄ + KOH → K₂SO₄ + H₂O
B) Ca(OH) 2 + HCl → CaCL₂ + H₂O
C) CH₄ + O₂ → CO₂ + H₂O
D) K + H₂O → H₂ + KOH

E) None of the above
F) A) and B)

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Match the acid-base pairs. -the conjugate acid of NO₃-


A) HNO₃
B) HCl
C) SO₄2-
D) OH-
E) H₂SO₄
F) NO₂
G) H₃O+

H) B) and G)
I) D) and F)

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