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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.
A glacier that has neither advanced nor retreated for many years deposits:- end moraine
Which will most likely form when a steep mountain stream flows abruptly onto a flat plain alluvial fan
why does the nose on some people turn cold and color purple
Pulses Pulses are the edible fruit or seed of pod-bearing plants and are widely grown throughout the world. They have a high protein content ranging from 20-40%, which makes th
Stellar Parallax If the Earth were stationary, a given line joining point A on the Earth, a nearby star C and any given distant star would never vary. However, if the Earth
To provide an estimate of Mr. X's premorbid level of intellectual functioning, the Hopkins Adult Reading Test was administered. He received a raw score of XX (standard score of 119
A simple mercury barometer Seal single end of a glass tube about 80 cm in length by rotating it in a gas flame. The tube should be held as almost vertical as possible. Join a s
general characters and classification of porifera
The angle of insolation on the Earth's surface is most direct at which latitude: At 0 o latitude
Explain the Chemical Weathering Processes The chemical process of decomposition starts with the physical disintegration of rocks and minerals. In chemical weathering processes
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