APPENDIX 6. RESULTS OF TEACHING EXPERIMENT Appendix 6: RESULTS OF EXPERIMENTAL PEDAGOGY ON NET 1 Table 6A. Test results of class 8A3 and 8A4, Cat Linh Secondary School - Hanoi (before impact) Xi Score Number of students achieving Xi score Previous lesson impact % of students achieving Xi score % of ...
Water-soluble vitamins are less toxic to the body when in excess. However, fat-soluble vitamins such as vitamin A when in excess cause increased pressure in the skull, vitamin C can cause kidney stones, B6 causes sensory nerve disorders, B12 causes excess Co, causing hyperplasia of the thyroid ...
Fire H2 gas Because Na and K easily react violently with water, they are usually kept in oil. Reaction with acid: + With dilute acids such as HCl, H 2 SO 4 : The reaction occurs vigorously and releases H 2 SO 4 + 2M M 2 SO 4 + H 2 + With acid radicals that have oxidizing properties such as H 2 ...
From the evaluation results of managers and teachers on the results of testing and evaluating the results of teaching Chemistry in high schools according to the orientation of developing students capacity, the author found that the content Using practice reports to comprehensively evaluate the ...
- What products does petroleum distillation produce? Products What are the applications of this? Natural gas of course - Where is natural gas found and how is it extracted? - What are the applications of natural gas? Fuel -What is fuel? What fuels are popular in life? What are the reserves of those ...
- –OH group at position 6: Can be esterified with acetic acid, palmitic acid (most stable form) Oxidation reaction Reaction with FeCl 3 / HCl: forms p-benzoquinone or α-tocopherylquinone ( dark yellow) Reacts with HNO 3 to form ortho benzoquinone or red tocopherol, which reacts ...
Problem solving accurate, unscientific information collected. information collected and draw some appropriate but incomplete conclusions for the problems. learning set and draw appropriate and complete conclusions for the learning problems raised. 7. Cooperate with teachers and classmates Not ...
- Manage the actual assessment of the elective topics. Topic lessons are lessons built by groups, so they are really important if the teacher is responsible for doing them. However, they are really dangerous and can easily become a relaxing lesson or an extra lesson in between. Therefore, the ...
3.4. Physical properties Formic aldehyde is a gas with a pungent, unpleasant odor and is highly soluble in water. Other aldehydes and ketones are liquids or solids. Acetone has a slightly pungent odor. Benzaldehyde and many other aromatic aldehydes have a characteristic odor of almonds. In general, ...
Thesis: Report on internship at public chemical institute Vietnamese industry PART I: VIETNAM INSTITUTE OF INDUSTRIAL CHEMISTRY CHAPTER 1: GENERAL INTRODUCTION TO THE PUBLIC INSTITUTE OF CHEMISTRY VIETNAMESE INDUSTRY 1. General introduction English name Institute of Industrial Chemistry Abbreviated ...
