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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.
Q. Explain the structure of Alkenes? Ans. Alkenes have the general formula C n H 2n . Therefore, for every n carbon atoms, there are 2n hydrogen atoms. Alkenes have C =
0.45 g of anhydrous oxalic acid is reacted with 50 ml of KMNO4 . Then normality of KMnO4 is??
wive the most stable structure of hexene
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Tert-butylamine Tert-butylamine cannot be prepared by the Gabriel synthesis because it would require that the nitrogen of phthalimide be alkylated with tert-butyl bromide in an
The atomic orbitals are progressively filled in order of increasing energy. This principle is called as: (1) Hund's rule (2)Aufbau principle (3) Exclusion principle (4
Oxidation no of fe in fe2o3
def '' purpose advantages
PERIODIC TABLE and PERIODICITY OF ELEMENT
what should a project contain
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