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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 careful the needle will float as you take the fork away. Look at the water surface closely. Can you see how the surface film seems to curve under the weight of the needle ?
this is a sticky substance that traps dust from the inhaled air
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Role of communication in promoting education: Transmission of knowledge and information, which is the first step in education, is obviously possible only through communication
Explain Hypoxia and its Types Hypoxia is the oxygen deficiency at the tissue level below the physiological level. There are four types of hypoxia. Let's get to know them. 1.
how do the currents produced by a 1.5V flashlight cell and a 12 V car battery compare if the resistance is the same?
Medieval Science: We can record the sum total of the medieval achievement in the natural sciences in a few lines. It can be put down as a few notes on natural history a
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Riboflavin Riboflavin has two major coenzyme derivatives, namely in mononucleotide (FM) which is the active component of riboflavin and is formed by the addition of a
what is a engineering physics about these substances
Storage and handling of chemical substances are two important duties of a laboratory worker. Both of these require appropriate safety measures to avoid any accident. In this secti
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