Class 10 Science, Class 11 Chemistry, Class 12 Chemistry
60. कैल्शियम ( Ca ) की परमाणु संख्या है :
Class 10 Science, Class 7 Science, Class 8 Science, Class 9 Science
Class 10 Science, Class 11 Chemistry, Class 12 Chemistry
Class 10 Science, Class 7 Science, Class 8 Science, Class 9 Science