Question

Compound x and aluminium are used to join railway tracks

a.Identify the compound

b.Name the term used for the reaction

c.Write the balanced reaction for it

Answer 1

a . Fe2O3 (or) Cr2O3
b . Thermite reaction
c. 2Al + Fe2O3 gives Al2O3 + 2Fe + Heat

Answer 2

X is Fe2O3

it is thermite reaction

2Al + Fe2O3 ----> Al2O3 + 2Fe + Heat