Question

3rd lesson 1st puc 1st language Hindi lesson explanation video​

Answer 1

Each side of the square garden =250m

Each side of the square garden =250mperimeter=fencing

Each side of the square garden =250mperimeter=fencingwire needed =250×4

Each side of the square garden =250mperimeter=fencingwire needed =250×4=1000

Each side of the square garden =250mperimeter=fencingwire needed =250×4=1000therefore , wire needed for fencing is 1000m

Answer 2

Answer:

1. draw MO diagram of He2 molecule

2. mention the type of hybridization and bond angles in PCl5 molecule