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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.
What is the only usual mineral to be strongly magnetic other than magnetite: Pyrrhotite
Give a rock name for sample. Note that the colour of this type of rock varies greatly, depending on the abundance of organic matter and iron oxides. Samples are both carbonate rock
Food fads: You may have picked up the idea from your family or friends that certain combinations of food can be dangerous for your health. For example, fish and milk or ra
Which describes granite and basalt?
LASER stands for Light Amplification by Stimulated Emission of Radiation: It's a fairly long string of words. Well, don't let it stop you from reading further. What we wish t
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Explain Yawing Reflex Actions - Respiratory Pocess Yawning: It is a deep inspiration drawn through open mouth. Low oxygen tension in the blood may be the cause of yawning.
Bile pigments and bile salts - abnormal constituent of urine These occur in urine in conditions of hepatic and obstructive jaundice i.e. obstruction to the flow of bile into th
Mouth-to-Mouth Artificial Respiration : If a casualty does not start breathing by the above process, artificial respiration must be started immediately to get a supply of air into
COPD
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