Physics – Section A
Physics – Section B
|1.||To measure the diameter of a small spherical/cylindrical body using vernier callipers.|
|2.||To measure the internal diameter and depth of a given beaker/calorimeter using vernier callipers and hence find its volume.|
|3.||To measure the diameter of a given wire using a screw gauge.|
|4.||To measure the thickness of a given sheet using a screw gauge.|
|5.||To measure the volume of an irregular lamina using a screw gauge.|
|6.||To determine radius of curvature of a given spherical surface by a spherometer.|
|7.||To determine the mass of two different objects using a beam balance.|
|8.||To find the weight of a given body using the parallelogram law of vectors.|
|9.||Using a simple pendulum, plot L-T and L-T2 graphs. Hence find the effective length of a second’s pendulum using an appropriate graph.|
|10.||To study the relationship between the force of limiting friction and normal reaction and to find the coefficient of friction between a block and a horizontal surface.|
|11.||To find the downward force, along an inclined plane, acting on a roller due to gravitational pull of the earth and study its relationship with the angle of inclination (θ) by plotting graph between force and sin θ.|
|1.||To determine Young’s modulus of elasticity of the material of a given wire.|
|2.||To find the force constant of a helical spring by plotting a graph between load and extension.|
|3.||To study the variation in volume with pressure for a sample of air at constant temperature by plotting graphs between P and V, and between P and 1/V.|
|4.||To determine the surface tension of water by capillary rise method.|
|5.||To determine the coefficient of viscosity of a given viscous liquid by measuring the terminal velocity of a given spherical body.|
|6.||To study the relationship between the temperature of a hot body and time by plotting a cooling curve.|
|7.||To determine the specific heat capacity of a given (i) solid (ii) liquid, by the method of mixtures.|
|8.||(i) To study the relation between frequency and length of a given wire under constant tension using a sonometer.|
(ii) To study the relation between the length of a given wire and tension for constant frequency using a sonometer.
|9.||To find the speed of sound in air at room temperature using a resonance tube by two resonance positions.|
|1.||A. Basic Laboratory Techniques|
Cutting glass tube and glass rod
Bending a glass tube
Drawing out a glass jet
Boring a cork
|2.||B. Characterization and Purification of Chemical Substance|
Determination of melting point of an organic compound.
Determination of boiling point of an organic compound.
Crystallization involving an impure sample of any one of the following:
a. Alum, Copper Sulphate, Benzoic Acid.
|3.||C. Experiments Related to pH Change|
(a) Any one of the following experiments:
Determination of pH of some solutions obtained from fruit juices, solutions of known and varied concentrations of acids, bases and salts using pH paper or universal indicator.
Comparing the pH of solutions of strong and weak acids of the same concentration. Study the pH change in the titration of a strong acid with a strong base using a universal indicator.
(b) Study of pH change by common-ion effect in case of weak acids and weak bases.
|4.||D. Chemical Equilibrium|
One of the following experiments:
(a) Study the shift in equilibrium between ferric ions and thiocyanate ions by increasing /decreasing the concentration of either of the ions.
(b) Study the shift in equilibrium between [Co(H2O)6] 2+and chloride ions by changing the concentration of either of the ions.
|5.||E. Quantitative Estimation|
Using a chemical balance.
Preparation of standard solution of oxalic acid.
Determination of strength of a given solution of sodium hydroxide by titrating it against standard solution of oxalic acid.
Preparation of standard solution of sodium carbonate.
Determination of strength of a given solution of hydrochloric acid by titrating it against standard sodium carbonate solution.
|6.||F. Qualitative Analysis|
(a) Determination of one anion and one cation in a given salt.
Cations: Pb2+, Cu2+, As3+, Al3+, Fe3+, Mn2+ , Zn2+, Co2+, Ni2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4+
Anion: (CO3)2‒, S2‒, (SO3)2‒, (NO2)‒, Cl‒, I‒, PO43‒, (C2O4)2‒, CH3COO‒, NO3– (Note: Insoluble salts excluded)
(b) Detection of nitrogen, sulphur, chlorine, in organic compounds.