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sodium carbonate is also known as

mixture 'A' contains 75% of fruit juice and rest of water. 20% of the mixture is taken out in container 'P' and 9litres of water is added in container 'P' such that ration of fruit juice to water in container 'P' becomes 3:2. Find the initial quality of water in mixture 'A'.

PH concentration to that of water is given bellow. Water has PH of 7. Liquid PH H2SO4 2 HCL 2.5 NaOH 12 H2O 7 MnOH 8.5 CuSO4 7 Neutralize a mixture means bringing to PH of 7. PH of a mixture is weighted average of the PH of the components (liquid) present in the mixture. H2SO4, HCL are acids. NaOH, MNOH are bases and Cuso, is a salt. If I have to select atleast one acid, one base and one salt in denominations of one litre each, what is the minimum number of litres required if we need to get a neutral solution? a) 4 litres b) 5 litres c) 6 litres d) None of these.

Why am i unable to access TISSNET mocks? I have the complete package

can I change to cat crash course?

Just a little suggestion, In RC video solution please explain the meaning of tough words as well, it would save a lot of time while reviewing the passage again

Ji

how could I reattempt the mock test?

Sir pls tell how to think through a problem & reduce silly mistakes...it is very demotivating..to lose marks this way...destroys the confidence altogether..

in how many ways can 5 letters be posted in 3 boxes such that each box get atleast 1 letter