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Develop a table for the water quality parameters of surface water (rivers and lakes), and groundwater. A sample table is given below:
Water quality parameters of different source waters
A typical water quality of the source water is provided in the table below. Identify the possible source of the water. What other water quality information that you would like to have for the design of the water treatment plant?
The frequency of one of the lines in Paschen series of hydrogen atom is2.340x10 11 Hz. The quantum number n 2 which produces this transition is: (1) 6 (2) 5
It is important to differentiate the stoichiometric or empirical formula of a molecular substance from its molecular formula. The former expresses only the relative numbers of atom
The energy required to dislodge electron from excited isolated H-atom, IE 1 = 13.6 eV is: (1) = 13.6eV (2) > 13.6eV (3) 3.4 eV
explanation
Elements of Group 13 are namely, boron, aluminium, gallium, indium and, thallium. While studying the alkali and alkaline earth metals, you have seen that all the elements of these
Isomers, which vary in the orientation of groups around the double bounded carbon atoms, are known as geometrical Isomers. It is also known as Cis-Trans Isomerism.
The frequency corresponding to transition n= 2 to n =1 in hydrogen atom is: (1) 15.66 x 10 10 Hz (2) 24.66 x 10 14 Hz (3) 30.5
formula of chromium (III) and acetate
Aluminium utensils should not be kept in water overnight.Give reason
The allylic carbons are indicated with an asterisk (*).
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