Question

04) Raman uses solution of a substance X for white washing his house. Name the substance X
ਰਮਨ ਕਿਸੇ ਵਸਤੂ ਦੇ ਘੋਲ ਦੀ ਵਰਤੋਂ ਸਫੈਦੀ ਕਰਨ ਲਈ ਵਰਤਦਾ ਹੈ । ਵਸਤੂ X ਦਾ ਨਾਮ ਦੱਸੋ ॥
A) CaO
B) Caco,
C) Naci
D) Cuo
05) Teacher wrote the electronic configuration of an atom of an element as 2, 8, 7. What is the atomic nu​

Answer 1

Answer:

CaO is the correct answer pls mark me as brainliest