Question

what are the important conventions followed while writing a chemical equation?

Answer 1

the reactants should be written properly, an arrow should be put which indicates the direction of reaction , the catalyst and external factors affecting the reaction should be written on the arrow , the products should be written properly and should be balanced correctly.

please mark as the BRAINLIEST

Answer 2

★ Hey mate ★


here is your answer !!


quicklime is used for whitewashing

when there is reaction of quicklime with carbon dioxide IT form calcium carbonate and it is used for whitewashing.


CaO + Co2 ====> CaCO3


there is formation of calcium carbonate and this is used for whitewashing of walls.



2 ) the chemical which is used in black and white photography is :-


silver chloride ( AgCl ) ( silver chloride is white in colour )

the formula of silver chloride is Agcl

Silver Bromide ( Silver Bromide is also white in colour )

the formula of Silver Bromide is ( AgBr2 )



hope it helps you dear !!!



thanks !!!