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Calcium hydroxide is modestly soluble in water, as seen for many dihydroxides. Its solubility increases from 0.66 g/L at 100 °C to 1.89 g/L at 0 °C. [8] Its solubility product K sp of 5.02 × 10 −6 at 25 °C, [1] its dissociation in water is large enough that its solutions are basic according to the following dissolution reaction:
The Board of Secondary Education, Karachi is a government board in Karachi for secondary education examination. It was established in 1950 by the promulgation of the Central Legislative Act No. XVI of 1950. [1] BSEK controls and organizes the secondary education examinations in Karachi.
Pure lime is soluble in water containing carbonic acid, a natural, weak acid which is a solution of carbon dioxide in water and acid rain so it will slowly wash away, but this characteristic also produces autogenous or self-healing process where the dissolved lime can flow into cracks in the material and be redeposited, automatically repairing ...
The Education and Literacy Department is a key division of the Government of Sindh, Pakistan, responsible for overseeing the provincial's education system.Its primary role is to manage educational affairs within Sindh and coordinate with the Federal Government and donor agencies to promote education.
The initial pH of the solution imposed by poorly soluble hydrated lime is alkaline (pH = 12.5) while the final pH is in range 11–12, typical for sulfides which are also strong bases. When the hydrolysis of calcium sulfide is accounted for, the individual reactions for each of the by-products are:
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Both quick- and hydrated lime are used in the treatment of drinking water. [10] Petroleum industry: Water detection pastes contain a mix of calcium oxide and phenolphthalein. Should this paste come into contact with water in a fuel storage tank, the CaO reacts with the water to form calcium hydroxide.
And don’t worry, Apple CarPlay fans (myself included).Qualcomm says the new digital cockpit will allow Apple’s ubiquitous and easy iPhone mirroring software to be used in the car.