→ Nitric aaed can be prepared from NH3 in 3 steps
4NH3 + 502
UNO + 6H2O
ZNO t Oz
2NOZ
I + H₂O - Nocg) + 2HNO3
% greld of I n I are 507) 60%, 80%.
да
ammonia requered to produce
1575 gm HNO3 !​

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

a polar bond is formed when electrons are shared unevenly between atoms

10 years is the answer