Answer:
egg: endothermic
candle: exothermic
plaster and water : exothermic
salt and water: neither
Zinc is amphoteric which means it reacts with both acids and alkalis.
The balanced equation is: Zn + 2NaOH + 2H2O --> Na2Zn(OH)4 + H2(g).
Sodium zincate and hydrogen gas are the products.
The 2nd one I believe
Answer- 2nd
Answer:
Solving the equation
Explanation:
They both involve numbers
The atom that has the largest atomic radius is Fr.