<prompt> Chronic arsenic poisoning causes -a Pure sensory neuropathyb Pure motor neuropathyc Mixed sensory and motor neuropathyd Painful neuropathye Hyperkeratosis of skinabdacdbdecde  <response>: Arsenic causes mixed sensory and motor neuropathy and hyperkeratosis of palm and sole.Neuropathy may cause painful paresthesia i.e. painful neuropathy. 