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Air expands when heated
To show that air expands when heated, fit an electric light bulb flask or a bottle with a single- whole stopper or cork which has a 30-cm length of glass tubing or a soda straw by it. Place the end of the tube in a small bottle of water. Heat the flask and view what happens. Heat the flask until a considerable amount of air has been separated and then cool the flask by pouring cold water over it or by rubbing with a piece of ice.
Treatment of soil sickness Due to overuse without rest, soil becomes deficient in the requisite nutrients and loses its fertility. Rotation of crops and vegetables, such as
Miller's Experiment The above theory could be tested by recreating in the laboratory on a small scale, the conditions which must have existed when life originated on the
Optical specificity Some enzymes exhibit absolute optical specificity for at least a portion of the substrate molecule. For example, the enzyme maltase catalyzes the hydrolys
Dating the Past: Today, that a particular rock is a million ycars old, or a fossil is 50 thousand ycars old. For instance, how do we estimate the duration of various geo
Changes in Social Organisation: We find that the above trend in social organisation led to a tendency which eventually stifled the progress of these civilisations and led to
FIRST AID TREATMENT FOR SHOCK : Some degree of shock is produced in most accidents. Shock is associated with changes in the system of blood circulation varying from temporary
Sketch the water surface profiles for the cases below. Label the normal and critical depth lines as well as all of the water surface profiles. In part (b), the conjugate de
Explain the Autonomic Nervous System (ANS) The autonomic or involuntary part of nervous system controls the functions of the body carried out automatically i.e. initiated in th
Explain Acclimatization - Histotoxic Hypoxia A compensatory respiratory adjustment at moderately high altitudes is called acclimatization. If you were to visit places like Leh
Explain the Functions of adrenomedullary hormones The functions of the adrenal medulla hormones - adrenaline and noradrenaline - are to: Prepare the body to deal with th
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