How the fluoride can get into the groundwater
The excessive fluoride in the groundwater can lead to brown stains, dental fluorosis, or the pitting of teeth. How the fluoride can get into the groundwater and also pollute it.Explain in detail.
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Explain what volume of water at 30 deg Celsius and 23.0 atm will be produced if a 0.500 g sample of boron hydride is burned totally in oxygen?
i) Suppose the object doesn’t slip, then what is the acceleration in cm/s^2? ii) Find out the minimum coefficient of friction between the object and the turntable?
Explain five main ways in which you can reduce the water consumption. Calculate approximately the amount of water saved by each. Make a note of your personal water use.
A rock is thrown from the top of a cliff having an initial speed of 12m/s. When the rocks hit the ground after 2.0s and then determine height of the cliff? (Disregard air resistance. G = 9.81m/s^2)
At the right end the track is horizontal and vertically at a height h = 27.6 m above a point A on the horizontal floor. Find out the ball's striking distance from A.
If the density of mixture at 74 deg Celsius and 1.3 atm is 2.9 g/L in the given gas phase when the nitrogen dioxide is a mixture of nitrogen dioxide (NO2) and dinitrogen tetroxide(N2O4).
Find amount of interest which would be paid over life of each of these loans? Which must she select if she bases her decision completely on total interest paid? What factors other than interest must Sharon consider?
A small sphere, having a radius r = 1.52 cm and a mass m = 13.8g rolls devoid of slipping on within of a large fixed hemispherical bowel of radius R = 18.6 cm and a vertical axis of symmetry. The small sphere begins at the top from rest. What norm
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