Question

A brown coloured metal X, is a good conductor of electricity and is mixed with gold ornaments.metal Y is also used for making jewellery but turns black(z) in air.identify x,y,z

Answer 1

zinc, silver, Oxygen
Zinc - is mixed with gold
Silver - ornaments turn black by reacting with oxygen forming Silver Oxide Ag +O - AgO

Answer 2

Good morning wassuuup!!!!!!!!!!

Btw here is ur answer

X is copper

Y is silver

Z is silver sulphide

Did finish studying?

Iam screwed