Chemistry
From the list of the gases — Ammonia, ethane, hydrogen chloride, hydrogen sulphide, ethyne — Select the gas which is used as a reducing agent in reducing copper oxide to copper.
Related Questions
A metal ‘X’ has valency 2 and a non-metal ‘Y’ has a valency 3. If ‘Y ’ is a diatomic gas, write an equation for the direct combination of X and Y to from a compound.
State the conditions required for : Catalytic oxidation of ammonia to nitric oxide.
Name the other ion formed when ammonia dissolves in water. Give one test that can be used to detect the presence of the ion produced.
State one relevant observation — Ammonia gas is burnt in an atmosphere of excess oxygen.