MCQ
A well stoppered thermos flask contains some ice cubes. This is an example of a
- AClosed system
- BOpen system
- ✓Isolated system
- DNon-thermodynamic system
✓
Answer
Correct option: C.
Isolated system
(c)In isolated system neither exchange of matter nor exchange of energy is possible with surroundings.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Nitrogen has lower electron affinity than its preceeding element carbon because
Element $"E"$ belongs to the period $4$ and group $16$ of the periodic table. The valence shell electron configuration of the element, which is just above $'E'$ in the group is $.....$
→In the complete combustion of $C_4H_{10}$ the number of oxygen moles required is
→The pairs of bases in $DNA$ are held together by
→$50\,\,ml$ water is added to a $50\,\,ml$ solution of $Ba{(OH)_2}$ of strength $0.01\,\,M.$ The $pH$ value of the resulting solution will be
→Bromination take place at
Molecular $AB$ has a bond length of $1.61\,\mathop A\limits^o $ and a dipole moment of $0.38\, D$. The fractional charge on each atom (absolute magnitude) is $(e_0\, = 4.802\times10^{-10}\, esu)$
→To obtain a buffer which should be suitable for maintaining a $pH$ of about $4 - 5,$ we need to have in solution, a mixture of
→The electronic configurations of $Cr^{24}$ and $Cu^{29}$ are abnormal
→The process requiring the absorptionof energy is