関連ワード:  is gasoline a mixture or compound    is gasoline a mixture compound or element    is gasoline a solution or compound    is gasoline a mixture of compounds    is gasoline a homogeneous mixture or a compound    is gasoline a element compound mixture or none    is gasoline a compound solution or heterogeneous mixture    is gasoline a element compound solution or heterogeneous mixture    is gasoline acid a compound element or mixture    is gasoline a element compound homogeneous mixture or heterogeneous mixture