Curriculum & Syllabus for Classes IX & X

SCIENCE PAPER - II

(CHEMISTRY)

( CLASS-IX )

I. Name of the text book :

Chemistry Book - 1
Published by the Board of Secondary Education, Manipur

II. Course Contents

1. NATURE AND BEHAVIOUR OF DIFFERENT TYPES OF SUBSTANCES

Elements; Compound and Mixture; Symbols of Element.

2. ATOMS AND MOLECULES

Valency; How to write a molecule formula; Atomic Structure; Rutherford’s Experiment; Atomic Number; Mass Number; Arrangements of Electrons around the nucleus.

3. ATOMIC MASS AND MOLECULAR MASS

Gram Atomic Mass ; Molecular Mass ; Calculation of percentage composition ; Mole Concept.

4. CLASSIFICATION OF ELEMENTS

Mandeleev’s periodic table; Modem periodic table,. Gradation of properties of elements in a period; Gradation of properties
in a group.

5. CHEMICAL REACTIONS

Chemical Change can be represented by chemical equation ; Balancing of Chemical Equations ; Calculations from Chemical Equations ; Types ofChemical Reactions; Slow and Fast Reactions.

6. ENERGY CHANGE OF CHEMICAL REACTIONS

Exothermic and endothermic reactions ; Bond Energy ; Food and Energy change; Energy transformations.

III. Distribution of Marks:

SI. No.	Chapter / Units	Marks
1	Nature of Behaviour of different types of substances	14
2.	Atoms and Molecules	7
3.	Atomic Mass and Molecular Mass	4
4.	Classifications of Elements	4
5.	Chemical Reactions	6
6.	Energy change of Chemical Reactions	10
	Total:	45

SCIENCE PAPER – II (CHEMISTRY)

CLASS – X

I. Name of the text book :

Chemistry Book – II

Published by the Board of Secondary Education, Manipur

II. Course Content :

1. CHEMICAL BONDING

Elements may combine to form molecules : Inert Gas Configuration is stable; Valency and Chemical Bond; Electrovalent or Ionic Bond; Properties of Electrovalent Compounds; Covalent Bond; Shapes of Convalent Molecules; Properties of Convalent Compounds ; Polar convalent Bond; Concept of Co-ordinate Bond.

2. ELECTROCHEMISTRY

Oxidation and Reduction Reactions; Electrochemical Cells; Construction of an Electrochemical Cell; Electrochemical Series ; some Commercial Cells ; Metallic Corrosion ; Electrolysis ; Quantitative treatment of Electrolysis ; Electroplating.

3. METALS AND NON-METALS

Metals and Non-metals ; Minerals; Metallurgy ; Extraction of same common metals; Glass; Uses of non-metals.

4. CARBON AND ITS COMPOUND

Physical properties of Diamond and Graphite; Organic Compounds; Different structure of Methane; Isomers; Unsaturated Hydrocarbons; Petroleum and its products; Simple Compounds of Carbon; Hydrogen and Oxygen; Sources of Carbon Compound; Man made Materials; Synthetic Fibres; Plastics; Rubbers; Soaps and Detergents.

5. AIR AND ATMOSPHERE

Air; Atmosphere protects the living beings from harmful radiations; Functions of constituents of Air; Air pollution; Water constitutes a major part of living things; Water dissolves many substances; Hard and Soft water; Drinking Water; Solution.

III. DESIGN OF QUESTION PAPER FOR H.S.L.C. EXAMINATION

Subject: Science Paper-II (Chemistry); Class: X; Time: 2 hours; Marks =45

1. Weightage of Objectives :

Objectives	K	U	A	S	Total
Percentage of marks	31	49	13	7	100
Marks	14	22	6	3	45

2. Weightage to Forms of Questions :

Forms of Questions:	SA	SA₁	SA₂	VSA	O	Total
Number of Questions	2	5	5	7	3	22
Marks Allotted	10	15	10	7	3	45
Estimated Time (in mins.)	40	40	20	14	6	120

3. Weightage to Content :

SI. No	Chapters / Units	Marks
1.	Chemistry Bonding	8
2.	Electrochemistry	8
3.	Metals and Non-Metals	10
4.	Carbon and its compound	12
5.	Air and water	7

4. Scheme of Section : No Section

5. Scheme of option : Internal option may be given in (E) type questions provided they test the same objective.

6. Difficulty Level : Difficulty : 15%

Average : 70%

Easy : 15%

Abbreviations: K (Knowledge), U (Understanding), A (Application), S (Skill), E (Essay Type), SA (Short Answer Type), VSA (Very Short Answer Type), O (Objective Type).