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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 of the following reduces the activation energy of a chemical reaction?
Q. Scientific Notation and Dimensional Analysis? Very small and extremely large numbers can be compared more easily when they are converted into a form called scientific notati
Solid xenon forms crystals with a face centered unit cell that has an edge of 620 pm. 1. calculate the atomic radius of xenon. 2. calculate the packing efficiency if xenon. So
factors influencing chemical shift
Question: (i) Explain the concept of Environmental Impact Assessment (EIA) and state its main objectives. (ii) List 3 activities (from the marine sector) which require an
A one serving bag of Granny Goose Hawaiian Style Potato Chips has 70 Cal. Considering that all of the energy from eating these chips goes toward keeping your heart beating, how lon
what is the peculiar behaviour of oxygen?
what are the uses of alcohol
Anomalous behaviour of Beryllium
In polar covalent molecule, one atom gets positive charge and the other one takes negative charge as known as dipole.
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