Important Subjective Que solution

Mathematics _____ an important subject. (is/are)

Name four important colligative properties of solutions of non-volatile solutes.

Introduction to Trigonometric Equations | Important Formulaes | General Solutions | Principal Solutions | Factorisation

For preparing cycloalkane and alkene, a saturated solution of sodium succinate is subjected to

For preparing an alkane , a concentrated aqueous solution of sodium or potassium salt of saturated carboxylic acid is subjected to

There are six teachers A, B, C, D, E and F in a school. Each of the teachers teaches two subjects, one compulsory subject and the other optional subject. D's optional subject is History while three others have it as compulsory subject. E and F have Physics as one of their subjects. F's compulsory subject is Mathematics which is an optional subject of both C and E. History and English are A's subjects but in terms of compulsory and optional subjects, they are reverse of those of D's. Chemistry is an optional subject of any one of them. There is only one female teacher in the school who has English as her compulsory subject. Who among the following has same optional subjects as that of the compulsory subject of F ?