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q. a sample of water analysis was found to contain temporary magnesium hardness 25 mgl. permanent magnesium chloride hardness 15 mgl and permanent
q. write phosphate conditioning method for water softening with suitable chemical reactions. how it is different from soda lime
q. what do you understand by dissolved oxygen in water? how does it create trouble in boiler? give chemical methods with suitable reactions to remove
q. write short notes on priming and foaming.ans. priming and foaming when a boiler produces steam rapidly some particles of the liquid water are
q. write short note on units of hardness and their relationship.sol. units of hardness and their relationship.1
q. what are the requirements of drinking water? explain various methods used for the sterilization of water for municipal supply.ans. requirements
break point chlorination it may be defined as the chlorination of water to such an extent that not only living organism but also other organic
sedimentation the process of allowing water to stand undisturbed in big tanks for some time in order to facilitate the settling down of the course
clarks method or soap titration method this method depends upon the fact that when soluble soap is added to hard water constituent of hard water. ca
degree of hardness the degree of hardness of water is conveniently expressed in terms of equivalent amount of caco3. although hardness of water is
q. discuss the edta method of determining hardness of
a what is hardness of water? what do you understand by temporary and permanent
enthalpy h is defined by the relationship hupv. the enthalpy change deltah for finite changes at constant pressure is given by the expression deltah
thermodynamicsthermodynamics is a macroscopic science and its most fundamental level is the study of two physical energy entropy and quantities.
structure of liquidsliquids have a limited degree of short-range order and are most adequately described in terms of a radial distribution function.
the sum of the sides of a triangle is 9 29 inches.if the two sides measure 53 inches and 3 16 inchesfind the measure of the third
a business has the opportunity to expand by purchasing a machine at a cost of 16380000. the machine has an estimated life of 5 years and is
maximize p3x2y subject to xy 6 x 3 x 0y
i wants to know about kangaroo because my teacher give me an assignment so for that i wants to know everything about
the winning team3939s score in 21 high school basketball games was recorded. if the sample mean is 54.3 points and the sample standard deviation is
problem solving techniquethere are two approaches to solve a problem. they are-1. top down-a top down design approach starts by identifying
q. describes the construction of a nicol prism and explains its action in converting upl into ppl.sol. nicol prism this is the
it consists of two semis circular plates.one is of quartz and other is glass plate joined together along the diameter. the quartz semi circular plate
q. what is optical activity and optical rotation? write the laws of optical activity of optically active solution.optical activityif a plane
q. derive an expression for the intensity distribution due to fraunhofers diffraction at a single slit and shows that the intensity of the first