which chemical equation represents a synthesi...

which chemical equation represents a synthesis reaction?\na. c + o₂ → co₂\nb. hcl + lioh → licl + h₂o\nc. h₂co₃ → h₂o + co₂\nd. 2na + mgcl₂ → 2nacl + mg

Answer

# Brief Explanations: A synthesis reaction is one where two or more substances combine to form a single - more complex substance. In option A, carbon (C) and oxygen ($O_2$) combine to form carbon dioxide ($CO_2$). Option B is a neutralization reaction (acid - base reaction), option C is a decomposition reaction (a single substance breaks down into two or more substances), and option D is a single - displacement reaction. # Answer: A. C + O₂ → CO₂