A standard solution of hard water contains l2gms litre. 10 ml of this required 20 ml of EDTA sdution 50 ml of water sample required 15 ml Of EDTA solution . The sample after boiling required one of EDTA solution. calculate the temporary hardness for the given , Hardness of the water in terms of Ppm.
Some things dont need reason
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Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored in carbohydrate molecules, such as sugars and starches, which are synthesized from carbon dioxide and water – oxygen is also released as a waste product that stores three times more chemical energy than the carbohydrates.[4] Most plants, algae, and cyanobacteria perform photosynthesis; such organisms are called photoautotrophs. Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth's atmosphere, and supplies most of the energy necessary for life on Earth.[5]
Answer:
The ladder in in the form of a triangle, where, base of triangle is the distance between foot of ladder and wall, the height of the triangle is the height to which the ladder reaches and the hypotenuse of the triangle is the length of the ladder. => h = √12.25m sq. Hence, the ladder reaches upto 3.5m.