Question

ThreebeakerslabeledasA,BandCeachcontaining25mlofwaterwastaken.

AsmallamountofNaOH,anhydrousCuSO4andNaClwereaddedtothebeakers

A,BandCrespectively.Itwasobservedthattherewasanincreaseinthe

temperatureofthesolutioncontainedinbeakersAandB,whereasincaseof

beakerC,thetemperatureofthesolutionfalls.Whichoneofthefollowing

statement(s)is(are)correct?

(i)InbeakersAandB,exothermicprocesshasoccurred.

(ii)InbeakersAandB,endothermicprocesshasoccurred.

(iii)InbeakerCexothermicprocesshasoccurred.

(iv)InbeakerCendothermicprocesshasoccurred.

(a)(i)only

(b)(ii)only

(c)(i)and(iv)

(d)(iv),(ii)and(iii)​

Answer 1

Answer:

b is correct one .....

.......

Answer 2

Answer:

b is the correct sentence.