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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.
Making a simple reflecting telescope A simple reflecting telescope can be made from a concave mirror obtained from a shaving mirror. The mirror is arranged wooden box of suitabl
how does our lungs work
Explain Activation of enzyme - Functions of Bile Activation of enzyme: Bile salts activate pancreatic lipase. Lipase, as you already know, is a fat - splitting enzyme and split
Scientific approach to problem solving: The scientific method and the features of scientific knowledge described above are in no way restricted to the domain of scientists alo
What are the different modes of nutrition for paramecium?
Floating a needle on water Thoroughly dry a steel needle. Place it on the tines of a dinner fork and gently smash the surface of the water in a dish with the fork. If you are c
Diagrammatically explain about the complementary nature of atomic absorption spectrophotometer and atomic emission spectrometry.n..
A floating experiment with different kinds of wood Secure a cork, and pieces of wood like as maple, mahogany and ebony. Place them in a pan of water and notice how every one be
what properties identify nonmetals
Adulteration of food: We live in a society where some times foods and even medicines are sold in an adulterated form by mixing it with other materials, which are neither food
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