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Floating in different liquids
Obtain a tall, slender glass jar, test tube or bottle, and the following liquids: mercury, carbon tetrachloride, water and kerosene. You will also require a small iron or steel ball such as a ball bearing, or iron nut or bolt; a small piece of ebony or some other wood that sinks in water; a piece of paraffin wax; and a piece of cork. First pour some mercury into the glass jar, then some carbon tetra- chloride, some water and some kerosene.
Determine how ion exchange data is helpful The ion exchange data is helpful · in soil management, · indicating nutrient storage capacity of soil, · prediction of s
what are the measurable causes of weather and how does weather impact our world?
What is ethics
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What are the Factors Affecting Soil Formation Parent materials formed due to weathering of rocks are transported from the place of their origin and re-deposited before they ar
Carbon l4 with a half-life of 5,568 years is used to date a sample of wood. Sample has l/8 the carbon l4 contained in a living tree of same species. Approximately how old is specim
Define Specific Defence Mechanism In the section on white blood cells, we learnt that whenever a germ or infection enters our body, the WBCs snap to attention and destroy the c
Systems view of life: Evolution has given rise to various types of life forms from single celled bacteria to organisms as complex as a human being. It may interest you to know
How to make soap Soap can be made from waste fat. Secure some waste fats and melt in a dish. Strain the fat by several layers of cloth. Weigh the fat and then weigh out about o
Explain the Mechanism of Phagocytosis In phagocytosis, the organism is entrapped into vacuoles known as "Phagosome". The cytoplasmic granules, organelles or lysosomes fuse with
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