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Class X
Lesson 1: Analytical Chemistry
Lesson 1: Analytical Chemistry
SCOPE:
(i) Action of Ammonium Hydroxide and Sodium Hydroxide on solution of salts: colour of salt and its solution; formation and colour of hydroxide precipitated for solutions of salts of Ca, Fe, Cu, Zn and Pb; special action of ammonium hydroxide on solutions of copper salt and sodium hydroxide on ammonium salts.
On solution of salts:
• Colour of salt and its solution.
• Action on addition of Sodium Hydroxide to solution of Ca, Fe, Cu, Zn, and Pb salts drop by drop in excess. Formation and colour of hydroxide precipitated to be highlighted with the help of equations.
• Action on addition of Ammonium Hydroxide to solution of Ca, Fe, Cu, Zn, and Pb salts drop by drop in excess. Formation and colour of hydroxide precipitated to be highlighted with the help of equations.
• Special action of Ammonium Hydroxide on solutions of copper salts and sodium hydroxide on ammonium salts.
(ii) Action of alkalis (NaOH, KOH) on certain metals, their oxides and hydroxides. The metals must include aluminium, zinc and lead, their oxides and hydroxides, which react with caustic alkalis (NaOH, KOH), showing the amphoteric nature of these substances.
Assignment:
Assignment:
STUDY THE CHAPTER AS PER SCOPE AND DO THE FOLLOWING WRITTEN WORK:
Reference material : handouts of two pages.
Written work to be done :
1. Solve board paper on this chapter for year 2017, 2018, 2019, 2020
SEND THE WRITTEN WORK THROUGH MAIL BY 22ND OR 23RD MARCH, 2020
james.g.sharma@dpsn.org.in
Lesson 2: Practical Guidelines
Lesson 2: Practical Guidelines
Write and complete at least 50% of the the experiments given in the lab manual in the space given in the manual. NO NEED OF DRAWING ANY DIAGRAM.
CLASS 10 HANDOUT.docxLesson 3: Periodic Table
Lesson 3: Periodic Table
Lesson 4: Acid Bases and Salts
Lesson 4: Acid Bases and Salts
Assignment:
Assignment:
Assignment:
Assignment:
Lesson 5: Hydrogen Chloride
Lesson 5: Hydrogen Chloride
Scope of syllabus Hydrogen chloride: Preparation of hydrogen chloride from sodium chloride; refer to the density and solubility of hydrogen chloride (fountain experiment); reaction with ammonia; acidic properties of its solution. • Preparation of hydrogen chloride from sodium chloride; the laboratory method of preparation can be learnt in terms of reactants, product, condition, equation, diagram or setting of the apparatus, procedure, observation, precaution, collection of the gas and identification. • Simple experiment to show the density of the gas (Hydrogen Chloride) – heavier than air. • Solubility of hydrogen chloride (fountain experiment); setting of the apparatus, procedure, observation, inference. • Method of preparation of hydrochloric acid by dissolving the gas in water- the special arrangement and the mechanism by which the back suction is avoided should be learnt. • Reaction with ammonia • Acidic properties of its solution - reaction with metals, their oxides, hydroxides and carbonates to give their chlorides; decomposition of carbonates, hydrogen carbonates, sulphides, sulphites. • Precipitation reactions with silver nitrate solution and lead nitrate solution.
HCl: Youtube Links
HCl: Youtube Links
Assignment:
Assignment:
assignment class 10.pdfPage updated
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