Chemistry
(i) Name the common refrigerant. How does it deplete ozone layer?
(ii) What is the alternative of chlorofluorocarbon carbon?
(iii) State the advantages and disadvantages of using ammonia as refrigerant?
Related Questions
When an ammonium salt is warmed with sodium hydroxide solution, a gas is evolved. State three ways in which you could identify this gas.
Name a compound prepared by ammonia and is used as :
(a) Explosive
(b) Fertilizers
(c) Medicine
(d) Laboratory reagent
Write the equation for the action of heat on:
(a) Ammonium chloride
(b) Ammonium nitrate
State whether each reaction is an example of thermal decomposition or thermal dissociation.
A gas 'A' reacts with another gas 'B' in the presence of a catalyst to give a colourless gas 'C'. The gas 'C' when comes in contact with air produces a brown gas 'D'. The solution of 'A' in water turns red litmus blue. Explain the observations.