If at `t^oC`, `K_w = 10^-12`, then pH of pure water at `t^oC` will be
a) 4
b) 6
c) 7
d) 12

At 100^@C , K_w =10^(-12) . PH of pure water at 100^@C will be

At t^oC , K_w for water is 6.4xx10^-13 . The pH of water at t^oC will be

The pH of pure water at 50^@C is 6.63. What is the value of K_w at 50^@C ?

Ionic product of water is 10^(-12) ,pH of water is

At 20^@C water has K_w=6.807xx10^(-15) .What is the pH of pure water at this temperature ?

If x+12=12+7,\ then the commutativity of addition x= (a) 12 (b) 7 (c) 19 (d) 5

The mean high temperature of the first four days of a week is 25^oC whereas the mean of the last four days is 25. 5^0 C . If the mean of the whole week is 25. 2^oC , then the temperature of the 4th day is (a) 25. 2^oC (b) 25. 5^oC (c) 25. 6^oC (d) 25^oC

At 90^(@)C pure water has K_(w) = 10^(-12) . The solution with pH value 6.5 is

If log_(32)x=0.8 , t h e n x is equal to a. 25.6 b. 16 c. 10 d. 12.8