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Describe the construction of a thermo flask with the help of a neat diagram and label it.
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What is use of thermal flask? Describe its construction. Why it is evacuated from double walls? What is the function of shining walls of glass?
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What are the materials inside a vacuum flask? - Quora
Explain the construction and working of a thermos flask with the help of a labelled diagram
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a) Explain the effect of ozone deplection.(b)(i) What is the use of themos flask?(ii) Describe its construction. (iii) What contribtuion does an evacuated double wall give to the functioning of a thermos
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