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chemistry in action - Detergents
A result of high dissolving power, the logically happening water all time consists of dissolved matters, majorly ionic substances. Hard water has specific metal ions like Ca2+ and Mg2+. These ions react along with soap. (Sodium salts of stearic and associated natural acids), to make a curdy precipitate of magnesium and calcium salts. This precipitate sticks to clothing and blocks the capability of soaps to take away oil and grease from fabrics. Synthetic detergents are extremely similar to the salts of fatty acids originate in soap, separately from that they are manufactured chemically from materials others as compared to the animal fats.
Reducing friction with ball bearings Find two tin cans that have a deep groove approximately the top, such as paint cans. Lay marbles in single groove and invert the other can
The most probable radius (in pm) for finding the electron He + is: (1) 0.0 (2) 52.9 (3) 26.5 (4) 105.8 Ans: (c)26.5
Conservative Force : A force is told conservative when the work completed by the force in moving a particle from an instance to another instance is independent of the path followed
Derive mathematical equation for an electromagnetic wave travelling in a charge free conducting medium in terms of electric field vector.
Why we feel sky blue in color? The blue color of the sky is because of Rayleigh scattering. As light moves by the atmosphere, most of the longer wavelengths pass straight thr
A block initial located 3m up a frictionless inclined plane is given an initial velocity of 6m/s up the ramp. The plane is 10m long and titled by 30 degree. a) How long does it tak
In a young's double slit interference pattern, the fringe width is 0.1 mm. Determine the fringe width if the wave length of light is increased by 10% and the distance between the s
example of like paralle forces
Who was the first person to show that all objects fall toward Earth with constant _________.
Corkscrew Rule: Knowing the direction of the current, it is possible to determine the direction of the magnetic field using Maxwell's Corkscrew rule, usually abbreviated to the
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