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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.
Life in the Oceans: Oceans are known as the largest and the thickest ecosystem. Tiny plants and animals exist in it, in immense numbers. A cubic meter of sea water may contain
What is full form of WHO ?
Question: a) Define atmospheric pressure, stating clearly its unit in meteorology. The atmospheric pressure at the foot of hill is 1013 hPa. What would be the pressure at th
Explain the Lubrication of food Dry food enters the mouth. It is moistened and lubricated by the saliva, before it can be made into a bolus ready for swallowing.
is it true or false that, as the universe expands, it is expanding within an already existing universe
Q. Write the purposes of conditioning of wheat prior to milling? The purpose of conditioning of wheat prior to milling are to make the bran and germ pliable, thus preventing th
What are covalent bonds? Covalent bonds are those in which electrons are shared by the atoms, and this sharing results in an attraction between the atoms to form a molecule. A
how much bones are in human body?
Brain: The centre piece of the nervous system is the brain which IS possibly the most organised form of matter known. It is unlike any other organ of the body, as ~t alon
summary on parts of the reproductive system
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