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Organisation : Chhattisgarh Professional Examination Board (CGPEB) CGVYAPAM
Designation : Pre Polytechnic Test (PPT) 2016

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Date of Examination : 17th April 2016

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## Syllabus for PPT :

Total Marks-150
Total Questions-150

SCIENCE :
UNIT – 1 GENERAL PROPERTIES OF MATTER AND SOUND
1.1 Measurement, Motion & Force:
Measurement: Measurement in International system of Units (S.I.), Tool of measurement: Vernier callipers, screw gauge, Spherometer, Physical balance and stop watch.

Motion: Uniform and non uniform motion, Particle, Body, Distance, Displacement, Speed, Velocity, Acceleration, Retardation, Difference between velocity and speed.

Force: Mass and Weight, Inertia, Classification of force, Friction and Factors affecting friction, sliding and rolling friction, advantage and disadvantage of friction, ways and means of increase and decrease of friction, importance of friction. Gravity and Gravitational force, Acceleration due to gravity.

1.2 Work and Energy:
Work : Definition, work done by Constant force, Kinetic and potential energy.
Heat & Temperature: Thermometer, Conversion of temperature in Celsius, Fahrenheit and Kelvin scale. Specific heat, Heat capacity, Calculation of specific heat by the method of mixture, Change of state, Latent heat, cooling due to evaporation, humidity and specific humidity, Heat expansion, Linear expansion, Superficial expansion, Volume expansion and its coefficient.

1.3 Wave and Sound:
Waves: Nature of waves, types of waves (longitudinal and transverse), simple harmonic motion, amplitude, Time period, Wave length, Relation between – Velocities, Frequency & Wave length.Sound: Nature of sound and its motion, range of hearing, ultrasonic waves and its application.

UNIT – 2 MATTER – STRUCTURE & BEHAVIOR
2.1 Matter – Nature and Behavior
Classification of matter based on chemical constitution; elements, compounds and mixtures, types of mixture.
Solution: Homogenous and heterogeneous, Suspension and Colloid, Concentration of solution.

Atoms and Molecules: Dalton’s atomic theory, Modern atomic theory, atomic and molecular mass, The mole, law of constant proportion, calculation of percentage composition of elements in simple compounds, determination of empirical and molecular formula in simple substances.

2.2 Structure of Atom:
Constituents of an atom (Electrons, Protons and Neutrons), Atomic number, Atomic mass, Discovery of Nucleus, Bohr’s Atomic model, Distribution of electrons in Shells (upto atomic number 1-20), Valencey electrons and valencey, Isotopes, Isobars, Isotones, Radio activity, Radio isotopes and their application.

UNIT – 3 LIGHT, ELECTRICITY AND MAGNETISM
3.1 Light: nature of light, reflection of light, laws of reflection, reflection from plane and curved surface, image formation by plane convex and concave mirror, relation between focal length and radius of curvature, determination of focal length of concave mirror by single pin method, Relation between u-v-f.

Refraction of light : Laws of refraction, refraction by glass slab, critical angle, total internal reflection, use of total internal reflection in daily life. Converging and diverging lens, Definition of focal length and optical center, image formation by lens. Human eye, its defects and remedies. Comparison between photographic camera and human eye. Construction, working, uses and way diagram of simple telescope and astronomical telescope.

3.2 Electricity and its effects: electric intensity, potential, potential difference, electric current Ohm’s law, Resistance, specific resistance, influencing factors, combination of resistances and related numerical examples. Thermal effect of current it’s use, calculation of power and electrical energy. Chemical effects of electric current, Primary and secondary cells their properties and drawback, Leclanche cell, dry cell, lead accumulator cell.

3.3 Magnetic effect of current: Magnetic effect of current, Oersted experiment, electro magnetic induction, electric motor, working principle and use of generator, general studies of alternating current and direct current, electric discharge in gases, discharge tube, cathode rays, X-rays and their properties.

3.4 Magnetism: Magnet and it’s types, artificial magnet, methods of preparing of magnets, molecular theory of magnetism, demagnetization, magnetic keepers, magnetic lines of force and their properties. Terrestrial magnetism, magnetic storm, magnetic meridian, geographical meridian, relation between V, H, I and ?.

UNIT – 4 CLASSIFICATION OF ELEMENTS, CHEMICAL BONDING, REACTION & SOME IMPORTANT COMPOUND:
4.1 Periodic Classification of Elements:
A brief historical perspective of periodic classification of elements, Modern periodic law, modern Periodic table, Periodic Properties in period and in groups, metallic and non metallic elements, atomic size, ionization energy and electron affinity.

4.2 Chemical Bonding – Formation of Chemical Bonds, types of bonds-ionic and covalent bond, Electronegative and polar covalent compound, properties of ionic and covalent compound.

4.3 Chemical Reactions – Chemical reaction, Formula of simple compound, equation of simple chemical reaction and their balancing. Types of Chemical reactions – Combination, decomposition, displacement, Oxidation and reduction.

4.4 Rate of chemical reaction and chemical equilibrium:
Preliminary knowledge of rate of chemical reaction, Fast and slow chemical reactions, Reversible and irreversible chemical reaction. Reversible reaction and dynamic nature of equilibrium, Acids and bases, pH scale, Exothermic and endothermic reactions.

4.5 Some important chemical compounds:
Method of production of washing soda, baking soda, bleaching powder and plaster of Paris. Preparation of building material-lime cement, glass and steel. Laboratory method of preparing alcohol and acetic acid. Properties and uses of some general artificial polymers, polythene, polyvinyl chloride, Teflon. Soap and detergents.

UNIT – 5 NATURAL RESOURCES:
5.1 Metals: Position of metals in the periodic table and general properties. Metal, mineral ore, Difference between mineral and ore. Metallurgy-concentration, roasting, smelting, refining of ores, Metallurgy of copper and Iron, Corrosion of metals, Alloys.

5.2 Nonmetals: Position of nonmetals in the periodic table, preparation, properties and uses of hydrogen, oxygen and nitrogen.

5.3 Coal and petroleum: Coal and petroleum as natural resources, Carbon and its compound, destructive distillation of coal. Petroleum its fractional distillation carbon tetravalency and catenation.

5.4 Hydrocarbon: Structure and classification of saturated and un-saturated hydro carbons, Homologous series, Isomerism. Preparation and properties of methane, Ethane and Ethylene.

5.5 Source of Energy : Conventional and new sources of energy, source of
solar energy, causes of origin of energy in the sun, solar heating devices, solar cooker, solar cell, wind energy, biogas, fossil fuels, ideal fuel, properties of ideal fuel, Nuclear energy, nuclear Fission, Fusion, chain reaction, nuclear reactor, uses and harms of nuclear energy.

UNIT – 6 OUR ENVIRONMENT
6.1 Biosphere: Definition, Ecosystem and Biosphere, structure of eco system, food chain, food web, trophic level, function of an eco-system, energy flow, Biogeochemical cycle of carbon and nitrogen, Biomass, biodiversity and its importance.

6.2 Pollution : Causes of soil, water, air and sound pollution and their control. Ecological balance, natural resources uses and conservation of renewal and nonrenewable resources- water, soil and air conservation, green house effect, acid rain, depletion of ozone layer, biodegradable and non biodegradable materials.