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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.
Which type of bond is formed between similar atoms: (1) Ionic (2) Covalent (3) Coordinate (4) Metallic Ans: Covalent
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Q. What are boiler troubles? Discuss their consequences? Sol. Boiler feed water (water for steam making): water is very important engineering material which is mainly used fo
This of the following is an electrovalent linkage: (1) CH 4 (2) MgCl 2 (3) SiCl 4 (4) BF 3 Ans: MgCl
1-methylcyclohexene Because 1-methylcyclohexene has dissimilar numbers of alkyl branches at the carbons of its double bond, it gives dissimilar products in the two reactions.
What is variation method and give me an example?
Write one reaction each to exemplify the following: (a) Aldol condensation (b) Friedel-Crafts reaction
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