Question

D) None of the above
ਸੀ। ਉਪਰੋਕਤ ਵਿਚੋਂ ਕੋਈ ਨਹੀਂ
04) Raman uses solution of a substance X for white washing his house. Name the substance X.
ਰਮਨ ਕਿਸੇ
ਵਸਤੂ X ਦੇ ਘੋਲ ਦੀ ਵਰਤੋਂ ਸਫੈਦੀ ਕਰਨ ਲਈ ਵਰਤਦਾ ਹੈ। ਵਸਤੂ 'X' ਦਾ ਨਾਮ ਦੱਸੋ ।
A) CaO
B) Caco,
C) NaCl
D) Cu0
5) Teacher wrote the electronic configuration of an atom of an element as 2.8, 7. What is the atomi​

Answer 1

Answer:

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Answer 2

Answer:

4.

A. CaO

5.

2,8-Neon

7(2,5)-Nitrogen

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