Drag the tiles to the boxes to form correct pairs. match each chemical reaction with the type of reaction that best describes it. synthesis 2al + 6hcl → 2alcl3 + 3h2 decomposition ca + br2 → cabr2 single displacement 4nh3 + 5o2 → 4no + 6h2o double displacement 2nacl → 2na + cl2 combustion fes + 2hcl → fecl2 + h2s arrowboth arrowboth arrowboth arrowboth arrowboth