Resposta curta, não.
Eu tive essa pergunta há muitos anos e ainda carrego a impressão do FAQ 3.5 ( link ).
De p76
Many animated objects have hardness scores. What affect, if any, will an animated object’s hardness have on spells used against the animated object? For example, an animated wooden table would have hardness 5, right? How would that hardness affect spells such as fireball, lightning bolt, Melf’s acid arrow, ray of frost, and magic missile?
If the spell in question has an energy descriptor, hardness affects the attack as noted in the rules for damaging inanimate objects (see page 165 in the PH); here’s a summary:
• Hardness applies to acid and sonic attacks. These attacks deal normal damage both to creatures and to objects, and thus would deal normal damage to an animated object (less the effect of the hardness). You would subtract 5 points for hardness from whatever damage a Melf’s acid arrow spell deals to the animated table in your example.
• ...
Ele também descreve todos os tipos do Q em negrito.