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Holding water in a sieve
Pour some oil over the wire mesh of a kitchen sieve and shake out the overload so that the holes are open. Cautiously pour water into the sieve from a pitcher, letting the water run down the side of the sieve. When the sieve is about half full, hold it over a sink or pail and observes the bottom. You will see the water pushing by the openings but the surface tension keeps it from running by. Touch the bottom of the sieve with your finger and the water should run by.
Dissolution and dilution : Water soluble1 miscible chemical wastes which are harmless in high dilution may be run into the drainage with plenty of water. It may be noted that al
The debris resulting from mountaintop removal mining is Answer A. dumped into valleys and streams below B. ground and combined with cement to make concrete C. resold as soil
Why chemical fertilizers should be supplemented by organic manure? Exclusive use of chemical fertilizer will eliminate organic matter and thus organisms from the soil. Important
Determine in detail about the Phosphorus Phosphorus, with nitrogen and potassium is classed as a major nutrient element. It is a constituent of nucleic acids, phytin, phosphol
Assembling First Aid Box : Your Counsellor will show you the contents of the first aid box available at the Study Centre. You observe the contents. As part of this activity, yo
what are th precuotionarymeasures signs,symbols
Explain Immunoblotting (Western blots) In this technique, different Ag (which may be viral proteins) is separated by electrophoresis in a solid phase They are subjected to ele
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