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The physico-chemical properties of cyanocobalamin are as follows:
a) The vitamin can be obtained in a crystalline form.
b) It is freely soluble in water.
c) Crystalline vitamin B12 is stable to heating at 100°C for fairly long periods. Cyanocobalamin solution, when autoclaved, is converted partly to hydroxocobalamin. As this compound is heat labile, it is destroyed if heated at 120°C for 30 minutes.
Structure of Atoms Elements are pure substances. Elements are composed of a single kind of atom, as opposed to compounds which contain two or more kinds of atoms (see lesson 5).
How to make a receiver for vacuum experiments Secure a large jar with an air-tight screw cap, like as a fruit jar. Drill a hole by the top and have a short metal tube soldered
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Some Physical Features of the Oceans: The oceans are so vast that they stagger one's imagination. They cover more than 70 per cent of the earth's surface. The depth of ocean
1. Explain the fundamental scientific principles, including basic principles of chemistry and physics. 2. Give an example that applies scientific principles to the study of zo
equilibrium, Physics what is the effect of torque and equilibrium on taps, doors,handle bars and bicycles??
Classification of Fires As explained also. We can say that the four main sources of fire risk in the science laboratory are: i) flammable substances, ii) compressed and
who do u put a neddle thrwew a ballon
Define Ribosomes Ribosomes are small, but complex structures, approximately 20 to 30 nm in diameter, containing two unequally sized subunits, referred to as large and small sub
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