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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 water or distilled water. Make some soap solution by dissolving soap shavings or powdered soap in a little warm water. Place equivalent amounts of hard and soft water in every of two bottles. Add soap solution to the soft water with a dropper, some drops at a time. Shake the bottle well after every addition. Count the number of drops of soap solution required to produce suds about 1 cm thick on the top.
Explain the term - hydrolysis yield ammonium ion In addition to ammonium compounds, materials such as urea which, upon hydrolysis yield ammonium ion, are again a potential sour
Define The Large Intestine The large intestine or colon is about five feet long. It begins at the caecum and terminates at the rectum and anal canal. It is divided into a numbe
Requirements Experimental animals Digging and scooping equipment Disposable bags
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Fibre optics: The songs you hear on your transistor, or the pictures you see on your TV are canied from the studios to your home on radiowaves. Telephone calls you make, on th
Enzyme inactivation The disappearance of activity of an enzyme (in vivo or in vitro due to presence of inhibitor molecules or inhibitory condition(changes in pH, temperature,
Determine the Pathways of Weathering Weathering and soil development proceed almost simultaneously in case of soft rocks, whereas in case of hard rocks weathering precedes soil
this is a sticky substance that traps dust from the inhaled air
Observing pollen grains from different flowers First of all we have to Secure several flowers in which the pollen has formed on the stamens .Shake pollen from each kind of flo
Explain Functions of the Pancreas - Digestive Action Trypsinogen and chymotrypsinogen are the inactive proteolytic enzymes of the pancreatic juice. When they come in contact wi
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