Thermos flask keeps hot liquid hot and cold liquid cold by

Keep practicing — related questions

• A thermos flask prevents
• In a thermos flask, attempt is made to reduce losses by
• The temperature does not decrease in a thermo flask because of
• In thermos flask, tea remains hot for very longtime because the flask shows _________.
• The Reserve Bank of India (RBI) keeps on modifying various rates / ratios to keep the flow of liquidity in ...
• Which of the following variants of water precipitation would you expect to occur if the vapour gets condens...
• Match the two columns: ||| |---|---| |1. Moving air|a. expands| |2. Cold wind|b. heavy| |3. Hot air|c. wind|
• Hot is related to Oven in the same way Cold is related to ______.