CBSE Grading System Class 10

The Central Board of Secondary Education has introduced a new grading system for Class 10 students. The new nine-point scale grading system will require students to get qualifying grades in 4 out of 5 subjects to get promoted to next higher class. The board has decided not to carry pass or fail on the mark sheet of students.

The new grading system will have a five point scale, in this grading system students will be awarded with grades from A to E, this grading system was implemented to eliminate the schools from showing the numerical scores on the report card of each students.

Practise This Question

In order to balance the equation, Mg3N2+xH2O3Mg(OH)2+2NH3, the value of  'x' is