Question

a)magnesium +hydrocloric acid----magnesium chloride+hydrogen+heat.(B)pottasium permagnate+heat-----pottassium magnate+maganese dioxide+oxygen (b)which one of the above reaction is endothermic.​

Answer 1

Answer:

(B) potassium permanganate + heat ------> potassium magnate + magnesium dioxide + oxygen

Explanation:

Its is endothermic because heat in given for reaction to occur

Answer 2

Answer:

(B) B IS ENDOTHERMIC.

pottasium permanganate + heat ------- pottassium magnate + mangnese dioxide + o

Heat will absorbed.