What additional steps, beyond those discussed in questions 2 and 3, help improve the precipitate’s purity?
Adv.
Two additional steps in the procedure help in forming a precipitate that is free of impurities: digestion and reprecipitation.
Why is the precipitate rinsed with a solution of 5% v/v NH3?
Which of the following is not a type of Spectroscopy? a) Gamma ray b) X ray c) Nuclear magnetic resonance d) Sound
Teaching is defined as An informative process An informal process An initiative process An interactive process
Basic teaching model was developed by Robert Glaser Robert Gagne E. Thorndike B.F. Skinner
The number of components in the basic teaching model is Three Four Five Six
The ‘3M’ concept in instructional procedures refers to Methods, Message and Materials Methods, Materials and Media Methods, Media and Message Methods, Materials and Marking
The most important activity of the teacher is Questioning activity Explaining activity Demonstration activity Assignment activity
Teaching is Classroom centered Teacher centered Student centered Lab centered
Pedagogy is A child-focused teaching approach An adult-focused teaching approach A trainer-focused teaching approach An instructor-focused teaching approach
3M (MMM) does not include Methods Materials Media Message
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