Practice question

A driver already has dry silver cyanide on board and is offered battery acid. What compatibility concern should be recognized?

Cyanides must be kept away from acids/corrosives that could release hydrocyanic acid
Battery acid may always be loaded with cyanides
Only placards matter; compatibility does not
The materials become safe if loaded above food

Answer: A — Cyanides must be kept away from acids/corrosives that could release hydrocyanic acid

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