This question is about salts. Ammonium nitrate solution is produced when ammonia gas reacts with
nitric acid.
6
Describe a method to investigate how the temperature changes when
different masses of ammonium nitrate are dissolved in water,
You do not need to write about safety precautions
[6 marks]

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