A well stoppered thermos flask contains some ice cubes. This is an example of a

Options :
  1. closed system
  2. open system
  3. isolated system
  4. none of the above
Answer and Explanation :-

Answer: Option 3

Explanation:

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By: jakkulasrinivas On: Oct/30/2014

yup......its an isolated system....because in isolated their is no exchange of matter or energy.between the system and surrounmdings........so thermosflask is a best example of isolated....

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