Read the following statements carefully and choose the appropriate option.
I. In a reversible change both physical and chemical properties always undergo a change.
II. The change due to dissolving salt in water is reversible.
ABoth statements I and II are true and statement II is the correct explanation of statement I.
BBoth statements I and II are true and statement II is not a correct explanation of statement I.
CStatement I is true but statement II is false.
DStatement I is false but statement II is true.
In a row of 60 boys, Amit is 27th from the last. What is his position from the beginning?
While observing a stained mount of onion peel under high power compound microscope, the central part of the cell does not take stain. Which of the following options correctly identifies this central part of the cell?