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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.
Objectives After doing this exercise, you should be able to: 1. Prepare a list of contact phone numbers required for handling laboratory accidents, state the contents of fir
Define the term - Soil protozoa These are unicellular but larger than bacteria, the size varying from a few microns to a few centimeters. The protozoa exist in all aerable soil
Explain the Rectum and Anal Canal Rectum: This is a slightly dilated part of the colon. It leads from the pelvic colon. Anal canal: This is a short canal which leads fro
equilibrium, Physics what is the effect of torque and equilibrium on taps, doors,handle bars and bicycles??
The difference between hard and soft water Collect some hard water from a stream(or make some as defined in the next experiment). Also secure some soft water like as rain wate
Maximum in 50 words for 2marks
What are the Advantages of Acid Soils The acid soils, formed by any of the above processes, behave as very strong acids so much so that pH is quite low even in partial convers
Freezing by Contact with a Cooled Liquid: Immersion Freezing In this method, the food is immersed in low-temperature brine to achieve fast temperature reduction through direct
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Define Ishihara's Charts - Colour Blindness Colour blindness is often assessed using Ishihara's charts. If ever you visited an eye specialist, you too must have seen this chart
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