関連ワード:  is air a compound solution or heterogeneous mixture    is air a element compound solution or heterogeneous mixture    is pure air a element compound solution or heterogeneous mixture    is milk an element compound solution or heterogeneous mixture    is air and sugar an element a compound a solution or a heterogeneous mixture    is air an element a compound a solution homogeneous mixture or a heterogeneous mixture    is pure air an element a compound a solution homogeneous mixture or a heterogeneous mixture    is the air homogeneous or heterogeneous mixture    can a compound be a heterogeneous mixture  
結果 : is air a compound solution or heterogeneous mixture