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Softening water with chemicals
Try making suds with a half test tube of hard water and a few drops of soap solution. Next boil a same sample and again try to make suds by using the similar amount of soap solution.
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Some Physical Features of the Atmosphere: i) The atmosphere is a mixture of gases. It is made up of 78.08% nitrogen; 21% oxygen by volume. There is only 0.03% of carbon dioxi
Define White Blood cells (WBCs) WBCs are also called leukocytes, as they are colourless. They are the army of the human body. Whenever a germ or infection enters our body, the
It is estimated that the temperature of the Earths core is: as hot as the surface of the sun
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
Define the Utilization of Fatty Acids In the presence of oxygen, fatty acids are utilized to provide energy and heat. Waste products produced are carbon dioxide and water. Fatt
What is the professional name for the person who studies fossils? Paleontologist
Illustrate the physical and chemical properties of soil The cation exchange property is very significant because it affects the physical and chemical properties of soil. The mo
difference between micro and macro nutrients
Decribe the factors which decide the broad area of scientific activity
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