XII Chemistry Online Mcqs - All Chapters - Online Mcqs Test - 3Chemistry Online Mcqs Test for class 12, Second Year, According to Karachi Board 300 Online Multiple Choice Questions
Q1. The trend of change in melting points and boiling points of elements in the period from left to right is graded
Q2. Which of the following is the general electronic configuration of transition elements?
Q9. Hydrogen at the time of its generation during chemical reaction is in the form of atomic state and is called