Question

(2.0)Marks Sangeeta tries to dissolve 50 g of copper sulphate in 100 g of water taken in a beaker at room temperature. She finds some salt remains undissolved. She then starts heating the solution and observes that the entire salt dissolves.​

Answer 1

1. Answer:
2. Answer:Techniques For Distance Education Class Evaluation Assistant Professor Scott L. WALKERDepartment of GeographyTexas State UniversitySan Marcos, USA ABSTRACTPost-secondary classes are usually followed by mandatory summative evaluations, yet changes in teaching and course structure cannot be made with summative evaluations. Formative evaluations in online education can result in candid responses from students if a third-party facilitator is involved in the process. This paper presents a method for conducting formative evaluation in an online class by utilizing the assistance of a colleague. Results of one such evaluation are presented, as are its advantages and disadvantages.