Honors Chemistry is designed for students who have demonstrated strong ability in previous science courses. In this fast-paced, demanding course, the main topics--which include atomic theory, nuclear chemistry, periodicity, chemical reactions, stoichiometry, gases, solutions, reaction kinetics, equilibrium, acid-base theory, oxidation-reduction, and organic chemistry--are studied at an advanced level, with an focus on both conceptual understanding and problem-solving.
All this will surely take the students away from rote memorisation of the reactions and will lead to appreciation of the chemical reactions.
Acids, Bases and Salts Assessment Technique: To enable the students to: Students may be involved in the demonstration. The pH of all the four NaOH solutions should be found with the help of universal indicator and recorded by the students.
In the table provided. The concentration of the acid HCl used for neutralisation is to be kept constant. The pH of acid may be found and recorded.
The teacher may again reiterate the-choice, use and need of indicator in this activity. Let the students count the number of drops of acid required to change the colour of the solution and neutralize the base.
Each of the questions that follow may be given one mark each and Ql may be given a weightage of 4 marks to total up to 10 marks. Complete the following table according to the observations made during the demonstration of the activity. Write the names of the reactants taking part in the chemical exaction during the demonstration.
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List the observation s which justify that a chemical reaction has taken place. Write a word equation and a balanced chemical equation for the complete chemical reaction that has taken place.
Write a generalised equation for a neutralisation reaction. Which of the four test tubes contains higher concentration of the base?
Does pH of a solution change with dilution? The same activity may then be performed by choosing the set of a weak base sodium carbonate and strong acid-HCI or the set of a weak acid oxalic acid and strong base NaOH.
Such students may be encouraged to memories the symbols and valencies from Table 3. NCERT science textbook and revise writing and balancing of chemical equations.
They may use the two terms inter changeably, through this activity teacher may clarify this doubt. Attention of the students should be drawn towards how to add the acid slowly with the help of a dropper without spilling any acid.
Special focus and attention may be given to this aspect. Approximately diluting 1mL of commercially available concentrated acid to 1L aqueous solution. Same NaOH solution may be diluted further in presence of students to get four solutions of varying concentrations.
Concept Based Worksheet Objectives: The students may be given the following worksheet of completing the table after the teachinglearning of reaction between acid and base to form salt to strengthen the concept. Each of the following questions may be assessed giving equal weightage of 2 marks to each salt.
Complete the following table with the acids and bare used to form a particular salt. First one is being done for you.Worksheet 1 Writing And Balancing Formula Equations Answers - In this site is not the same as a answer reference book you purchase in a wedding album heap or download off the web.
Our on top of . GCC CHMLL Nuclear Chemistry Summer Practice Worksheet p.1 of 4 CHMLL: Nuclear Chemistry Summer Worksheet This worksheet is a summary of Nuclear Chemistry concepts and questions – you will not turn it in for a grade.
An answer key will be available in PS – please check your answers before the final exam. I. Radioactive Isotopes and Nuclear Equations.
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