. 500 L of H2 and 400 L of O2 are mixed to produce H2O in a closed container. What volume of H2O is produced ? Which is the limiting reagent ?

may be 700 Explanation : What i feel is that the chemical formula is 2 H2 + O2 — 2 H2OSo taking 500 as 2 H2 that the value of O2 reacted will be half of original value that is 200...

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later