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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.
Explain the texture of igneous rocks? There are four main textures of igneous rocks which are used to classify them. The rate of cooling and crystal growth account for the diff
please give me some variable for making of hypothesis
CAN YOU EXPLAIN THE FILTRATION METHOD OF PURIFICATION OF WATER
Studying the main parts of a flower Examine specimens of large simple flowers such as "tulips or lilies". Count the stamens & observe how they well arranged about the central p
Explain the acid/base balance of our blood changes This acid/base balance of our blood changes in response to many things. These include: Diet: the diets that are rich in
Explain Distal Convoluted Tubule - Structures of a Nephron Distal Convoluted Tubule or Distal Tubule (DCT): A distal, rolled-together or coiled part of the ascending limb of th
what are relations of ecology with other sciences?
How does our body know 'what to do' Feeling, knowing, doing anything depends on special structures called nerves. Neuronal cells in the body act as various messengers according
fertilization of an earthworm
Belt-drive: The beltdrive is a mmpratively simpler device than gearing for transmission of power and for increasing or decreasing the speed of motion. Beltdrive came to India
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