Sodium borohydride is known to damage the metal surfaces of the balances used in the lab. What hazard associated with sodium borohydride is most likely responsible for this damage

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.

Can someone me out on this question for my national 5 chemistry homework

Is it safe to take 450mg of diphenhydramine hydrochloride?