Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
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.
a metal forms 2 oxides. the higher oxide has 80 metal. 0.72g of lower oxide gave 0.8g of higher oxide when oxidised. show that law of multiple
the decomposition of nh3 on a platinum surface is a zero order reaction. what are the rates of production of n2 and h2 if k2.510-4 mol-1
on the basis of electrical conductivity the solids can be broadly classified into three typesa metals b insulators c semiconductors
salt bridge is a u-shaped tube containing a semi-solid paste of some inert electrolyte like kcl kno3 nh4cl etc. in agar-agar and gelatin. an
there are numerous methods for shielding metals from corrosion iron from rusting. some of these methods are being discussed as follows 1. barrier
the galvanic cells in which electrodes are made of same metal but they are immersed in the electrolytes of different concentrations in two half cells
the series of elements involving the filling of 5f-orbitals is called actinoids series. they follow ac 89 and include the fourteen elements from th
the elements of first transition series from variety of oxides of different oxidation states having general formulae mo m2o3 m3o6 mo2 mo3. these
a co-ordination compounda co-ordination compound contains a central metal atom or cation which is surrounded by a suitable number of anions or
the mathematical expression used for expressing the rates of chemical reaction is given below by taking two different set of chemical
half life of reaction refers to as the time during which the concentration of the reactants is reduced to half of the initial concentration or it
average rate of a reaction is defined as the rate of change of concentration per unit time. it is calculated by dividing the total change in