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A self-starting siphon
Secure a piece of glass or plastic tube about 2.5 cm in diameter and 8 to 10 cm in length. Fit single end with a one-hole stopper, carrying a short length of glass tube that extends about a centimetre under the stopper on the inner side. Fit the other end of the large tube with a two-hole stopper. By one of the holes in the two-hole stopper place a jet tube which extends up by the larger tube and into the opening of the glass tube in the one-hole stopper. Connect a long rubber tube to the glass tube in the single-hole stopper
Handling of Chemicals : Laboratory technicians who work in laboratories, need to be aware of the potential danger of the substances they handle. In the case of those working in ch
Venus-the Clouded Planet Venus, our nearest planetary neighbour, only 40 million km away, has its surface hidden from view by a dense yellowish-white cloud, which extends to 80
what are alveoli?
The important physico-chemical properties of thiamin are as follows: a) Thiamin hydrochloride is a white, needle-shaped crystalline substance. b) It has a characteristic sm
A 57 year olf female presented to her GP with a history of fatigue, weight loss and incresingly severe back pain. on examination she appeared pale with no signs of hepatomegaly or
what are composites?
The effect of varying the pH of the yeast solution on the functioning of an enzyme catalase
Explain the Process of Filtration - Formation of Urine The kidneys form urine in three phases: simple filtration, selective re-absorption and secretion. Let us begin with the p
what is another word for 2nd consumers?
Explain the Urea Cycle ? From our discussion above, it is clear that the amino group of all amino acids is ultimately converted to ammonia (NH3). Ammonia is highly toxic to th
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