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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.
Determine about the Bicarbonates Bicarbonates are highly soluble, Ca(HCO3)2 goes into solution. Further, stronger acids, like nitric a nd sulphuric acid present in soils thro
Scurvy Disease occurs due to vitamin C deficiency.
what is the law of conservation of mass?
Atomic theory in antiquity: The oldest of Indian philosophical systems was Samkhya. The system envisaged that everything except consciousness evolved out of primaeval matter.
Military Technology: Important changes were introduced in military technology. Rope and wooden stimps for horsemen were known in India before the thirteenth century. However,
Explain Hypoxia and its Types Hypoxia is the oxygen deficiency at the tissue level below the physiological level. There are four types of hypoxia. Let's get to know them. 1.
Role of Antibody Mediated Immune System The AMlS defends the body against free viruses, bacteria with polysaccharide capsules and toxins that enter the body fluids (blood and l
1.Explain the importance of social stratification and the assumptions that underlie the concept. 2.Choose one influential sociological theory and explain its view of stratificat
Explain how Insulin Secretion Regulated It is interesting to note that blood sugar level itself controls insulin secretion. How? When blood sugar level rises, insulin secretion
Fire extinguishers You would recall the classification of fires dealt. Table summaries the type of extinguisher used for different classes of fire. Table: Summary of fire e
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