The experts at Team Jagran Josh have framed the Model Test Paper for Chemistry subject which strictly follows the Board pattern of CBSE Class 12 for the year 2015. The Model Test Paper is extremely beneficial for the Class 12 Students appearing for their respective examinations in 2015.
A few Questions from this Model Test Paper are given below:
Q. Explain that ammonia is a good complexing agent.
Q. A group 14 element is to be converted into n-type semiconductor by doping it with a suitable impurity. To which group should this impurity belong?
Q. Why is the froth floatation method selected for the concentration of sulphide ores?
Q. What is the function of sulphur in the vulcanization of rubber?