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Q. Name the various steps required for making water suitable for domestic use.
Ans. Treatment process for domestic use
S. No.
Process use for treatment
Impurities removed
1.
screening
Floating materials like sand, clay etc.
2.
Sedimentation with coagulation
Fine suspended inorganic matter
3.
Filtration
Colloidal impurities and larger organisms
4.
Disinfection
Pathogenic bacteria
5.
sedimentation
Suspended impurities like sand, clay etc.
Defination of dry test for basic radicle
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Q. Describe Lime-soda method for softening of hard water. Discuss the advantages of the process and the chemistry involved in it.
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The boron trihalides are highly volatile; BF 3 (b. p., 173 K) and BCI 3 , (b. p., 260.5 K are gases, BBr 3 a volatile liquid (b. p., 319 K) and Bl 3 a low melting solid (m. p.,
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The color in KMnO4 arises from an electronic transition, but it is actually not a d-d ... When the light is reflected (or transmitted) it is missing the frequencies of the light ab
INTRODUCTION : In this exercise you will learn various steps and procedures adopted while purchasing lab-related items. This exercise will acquaint you with practices of preparing
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