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The difference between hard and soft water
Collect some hard water from a stream(or make some as defined in the next experiment). Also secure some soft water like as rain water or distilled water. Make some soap solution by dissolving soap shavings or powdered soap in a little warm water. Place equivalent amounts of hard and soft water in every of two bottles. Add soap solution to the soft water with a dropper, some drops at a time. Shake the bottle well after every addition. Count the number of drops of soap solution required to produce suds about 1 cm thick on the top.
Uses of Benzophenone
Explain the Colour Blindness Normal individuals possess three cone pigments viz. red, green and blue which are referred to as tri-chromates. Colour blindness refers to the part
What are famous life scientist and what did they discover?
Determine about the Textural class Textural class names form a graduated sequence from soils that are coarse in texture and easy to handle to the clay soils which are very fine
What is the momentum of a man weighing 60 kg moving at 50 m/s
Water: We all know that safe drinking water is essential for good health. Many of the diseases in our country are due to lack of supply of safe drinking water. ~nfortunatel~
Non-Specific Defence Mechanism The non-specific defence mechanism is implemented for different types of infections. It resists infection in two ways, firstly, by blocking the e
advantages and disadvantages of protozoa
Food allergies: Food allergies are different from food fads. Certain fds seem to have strange reactions on some people. Probably, you have come across a person who got skin ra
We know from Shannon's Theorem, Maximum data rate of a channel in bps (B) = Hlog2 ( 1+S/N ) _ 1 Where H = bandwidth in Hz S/N = signal-to-noise ratio We also know that Db = 10log10
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