This observation surely still applies to occupational safety and health in the late twentieth century, and is relevant to organization personnel at all levels. As the workplace becomes increasingly complex, new demands have arisen for greater understanding of the causes and means of prevention of accidents, injuries and illnesses.
Take some carbon compounds naphthalene,camphor, alcohol one by one on a spatula and burn them. Observe the nature of the flame and note whether smoke is produced. Saturated hydrocarbons burn generally with clear blue flame in sufficient supply of air with no visible smoke Question 2.
Place a metal plate above the flame. Is there a deposition on the plate in case of any of the compounds? There is deposition in case of naphthalene and camphor on the plate. When do you get a yellow,sooty flame?
When there is insufficient supply of O2 and the carbon particles do not burn completely. When do you get a blue flame? When there is sufficient supply of O 2 to burn carbon particles do not burn completely burnt.
Does the colour of potassium permanganate persist when it is added initially? The purple colour due to permanganate get decolourised during the reaction Question 2.
Why does the colour of potassium permanganate not disappear when excess is added? When all the alcohol gets consumed the reaction stops and the purple colour persists. What do you observe? Sodium Na metal, being highly reactive, reacts with ethanol leading to the evolution of hydrogen and formation of other product, Sodium Ethoxide.
How will you test the gas evolved? A burning spitter is bought near to the gas and the gas burns with pop sound. Also we can observe a layer of moisture inside the glass tube, showing presence of water formation out of this activity,therefore the gas evolved is H2 gas.
Are both acids indicated by the litmus test? Does the universal indicator show them as equally strong acids? Warm in a water-bath for at least five minutes as shown in Fig.
Pour into a beaker containing ml of water and smell the resulting mixture.Supply Chain Management Solved Multiple choice initiativeblog.com strategic risk associated with outsourcing,cost reduction on profits is much larger than the impact of increased sales MGT Supply Chain Management Solved Multiple choice Questions.
Introduction to Operations and Supply Chain Management. Introduction to Operations and Supply Chain Management Chapter 1 Chapter Objectives Be able to: Describe what the operations function is and why it is critical to an organization’s survival.
Describe what a supply chain is and how it relates to a particular organization’s operations function. Perserving our Heritage Level 1 Part 1, Moe Ccue C My Box-Spanish 6/Pk, Stone A Visit to the Suez Canal (), T.
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