Question

A small amount of black powdery substance taken in a test tube when reacts with dil
hydrochloric acid gives bluish green solution.
(3)
(a) Identify the black powdery substance and the compound that gives bluish green solution.
(b) Write a balanced chemical equation for the reaction that has taken place........

PLZZZZZ EXPLAIN IN DETAIL​

Answer 1

Answer:

Copper oxide

CuO+ 2HCl---->CuCl2+H2O

Answer 2

Answer:

a).Substance is Cu0 ,copper oxide

b).Cu0+2HCl gives CuCl2+H20

sorry bro i can't explain in computer language