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INTRODUCTION : You would recall from your study of Unit 11 that LPG (liquefied petroleum gas) and other compressed gases can pose a danger in the lab. The gas (LPG) supply distribution has been covered in the previous exercise and the main danger associated with it i.e. fire is dealt in the next exercise. In the context of compressed gases you had learnt about the colour codes used to indicate the content and nature of the gas in the cylinder. You would have realised that these cylinders being heavy objects are potential mechanical hazards. The - hazards of gas cylinders are further increased by the toxic/ reactive properties of their contents. You have learnt about the precautions to be observed in the storage and handling of these gas cylinders. In this exercise you will be using the gas cylinder colour codes to identify the contents of the gas cylinder and study about their storage and handling in the lab.
Explain the direct and indirect effects of lime application The direct and indirect effects of lime application to acid soils generally are increased crop growth, although thei
A therapeutic nurse patient relationship is the central element in the nursing process (Hewitt, & Coffey, 2005). The therapeutic nurse patient relationship is a synergistic proces
alternative naturalenergyresourcebasedo on undergroundhot water source
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How soap helps water in cleaning Prepare two greasy cloths by smearing kitchen fat or vaseline on cloths. Wash one sample in warm water without soap. Wash the other sample in w
Describe the structure of the stomach. How is it modified to carry out its functions? How does It compare to that of the fetal pig?
Q.Name two biologically important compounds that contain both oxygen and nitrogen. Two biologically important compounds that contain both oxygen and nitrogen are: (i) Amino a
Simple hydraulic press The principle of the hydraulic press is illustrated by the following model. Half fill a cylindrical jar with water. Pour melted paraffin wax on the su
what is inside a volcano
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