Ammonia and hydrogen chloride gases are mixed. Which type of chemical reactions do they give?
Reaction of ammonia and HCl:
NH3(g)+HCl(g)→NH4Cl(s)
X+Y→XY
(a) Of the two gases ammonia and hydrogen chloride, which is more dense. name the method of collection of this gas. (b) Give one example of a reaction between the above two gases which produces a solid compound.
(a) Of the two gases, ammonia and hydrogen chloride, which is more dense ? Name the method of collection of this gas.
(b) Give one example of a reaction between the above two gases which produces a solid compound.
(c) Write a balanced equation for a reaction in which ammonia is oxidized by :
(i) a metal oxide,
(ii) a gas which is not oxygen.
Observing the changes, in which of the following would you say a chemical reaction may be occurring? (i) Heating iodine changes the colour from bluish black to purple (ii) Mixing ammonia and hydrogen chloride gases gives fumes containing a white powdery substance (iii) Mixing an acid and a base solution raises the temperature. (iv) Mixing ferrous sulphide and hydrochloric acid gives off a gas with a rotten egg smell