Question

Please help me question number 2,3,4,5 and 6 as I have exam for my 9th grade. Please avoid answering if you don't know

6d737503b86edc555c487cd661024bf6.pdf

Answer 1

Answer:

hiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

Answer 2

Answer:

The nitrite ion has the chemical formula NO−2. Nitrite (mostly sodium nitrite) is widely used throughout chemical and pharmaceutical industries. The nitrite anion is a pervasive intermediate in the nitrogen cycle in nature.