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Adam Smith, the father of modern Economics, in his book entitled an Enquiry into the Nature and Causes of the Wealth of Nations (1776) defined Economics as a study of wealth. According to him, the subject matter of Economics is the study of how wealth is produced and consumed.
Which of the following is a physical change?
The pH of a neutral solution is —
The gas used for filling weather balloons is-
The major constituent of air is
Milk tastes sour when kept in the open for sometimes due to the formation of-
The noble gas used in radiotherapy is
______is the process in which acids and bases react to form salts and water
The acid used in lead storage cells is-
The pH of a neutral solution is —
Formation of ozone hole is maximum over