Question

Yeh jo isme , then t. S. A of box ke baad isme 90 hai yeh kha se aaya plzz answer me

Answer 1

Sirius: ...

Alpha Centauri System: ...

Betelgeuse: ...

Rigel: ...

Vega: ...

Pleiades: ...

Antares:The chemical reactions suffer from a number of limitations and thus have a few drawbacks also.

The physical states of the reactants and products.The concentration of the reactants and products.The conditions such as temperature, pressure or catalyst etc which affect the reaction.The heat changes accompanying the reaction i.e. whether heat is evolved or absorbed during the reaction.The formation of a precipitation or the evolution of gas in the reaction.The speed of the reaction.The nature of the reaction i.e. whether the chemical reaction is reversible or irreversible.