RAC-109B: Chemistry Lab syllabus for RAC 1st Year C20 regulation APSBTET

Chemistry Lab detailed syllabus for Diploma in Refrigeration and Air Conditioning (RAC) for C20 regulation curriculum has been taken from the APSBTET official website and presented for the RAC students. For course code, course name, number of credits for a course and other scheme related information, do visit full semester subjects post given below.

For Diploma in Refrigeration and Air Conditioning 1st Year scheme and its subjects, do visit RAC 1st Year C20 regulation scheme. The detailed syllabus of chemistry lab is as follows.

Course Outcomes:

1. Operate and practice volumetric apparatus and preparation of standard solution
2. Evaluate and judge the neutralization point in acid base titration
3. Evaluate the end point of reduction and oxidation reaction
4. Judge the stable end point of complex formation, stable precipitation
5. Judge operate and demonstrate and perform precise operations with instrument for investigation of water pollution parameters

Objectives

Upon Completion of the Course the Student Shall be able To

1. Practice volumetric measurements (using pipettes, measuring jars, volumetric flask, burettes) and gravimetric measurements (using different types of balances), making dilutions, etc. To identify the chemical compounds and solutions by senses.
2. Practice making standard solutions with pre weighed salts and to make solutions of desired dilutions using appropriate techniques.
3. Conduct titrations adopting standard procedures and using Std. Na2Co3solutionfor estimation of HCl
4. Conduct titrations adopting standard procedures and using Std. HCl solution for estimation of NaOH
5. Conduct titrations adopting standard procedures and using Std. NaOH solution for estimation of H2SO4
6. Conduct titrations adopting standard procedures and using Std.KMnO4solution for estimation of Mohr’s Salt
7. Conduct titrations adopting standard procedures to determine the acidity of given samples of water (One ground water and one surface / tap water, and rain water if available)
8. Conduct titrations adopting standard procedures to determine the alkalinity of given samples of water (One ground water and one surface / tap water)
9. Conduct titrations adopting standard procedures to determine the total hardness of given samples of water (One ground water and one surface / tap water) using Std. EDTA solution
10. Conduct titrations adopting standard procedures to determine the chlorides present in the given samples of water and wastewater (One ground water and one surface / tap water)
11. Conduct the test using titrometric / electrometric method to determine Dissolved Oxygen (D.O) in given water samples (One sample from closed container and one from open container / tap water)
12. Conduct the test on given samples of water / solutions (like soft drinks, sewage, etc.) to determine their pH using standard pH meter
13. Conduct the test on given samples of water / solutions
1. To determine conductivity
2. To adjust the ionic strength of the sample to the desired value
14. Conduct the test on given samples of solutions (coloured and non coloured) to determine their turbidity in NTU
15. To determine the total solids present in given samples of water (One ground water and one surface / tap water)

List of Experiments

1. Familiarization of methods for Volumetric analysis. Recognition of chemical substances And solutions (03) – —
2. Preparation of Std Na2Co3 and making solutions of different dilution(03)
1. Weighing the salt to the accuracy of .01 mg
2. Measuring the water with volumetric flask, measuring jar, volumetric pipette and graduated pipette
3. Making appropriate dilutions
4. Weighing the salt to the accuracy of .01 mg
5. Measuring the water with volumetric flask, measuring jar, volumetric pipette and graduated pipette
6. Making appropriate dilutions
3. Estimation of HCl solution using Std. Na2Co3solution (03)
1. Cleaning the glassware and rinsing with appropriate solutions
2. Making standard solutions
3. Making standard solutions
4. Measuring accurately the standard solutions and titrants
5. Effectively Controlling the flow
4. Estimation of NaOH using Std.HCl solution (03)
5. Estimation of H2SO4 using Std.NaOH solution (03)
1. Measuring accurately the standard solutions and titrants
2. Filling the burette with titrant
3. Fixing the burette to the stand
4. Effectively Controlling the flow of the titrant
5. Identifying the end point
6. Making accurate observations
7. Calculating the results of the titrant
8. Identifying the end point
9. Making accurate observations
6. Estimation of Mohr’s Salt using Std.KMnO4 (03)
7. Determination of acidity of water sample (03)
8. Determination of alkalinity of water sample (03)
9. Determination of total hardness of water using Std. EDTA solution (03)
10. Estimation of Chlorides present in water sample (03)
11. Estimation of Dissolved Oxygen(D.O) in water sample (By titration method) (03)
12. Determination of pH using pH meter (03)
1. Familiarize with instrument
2. Choose appropriate ‘Mode’ / ‘Unit’
3. Prepare standard solutions / buffers, etc.
4. Standardize the instrument with appropriate standard solutions
5. Plot the standard curve
6. Make measurements accurately
7. Follow Safety precautions
8. Prepare standard solutions / buffers, etc.
9. Standardize the instrument with appropriate standard solutions
10. Plot the standard curve
11. Make measurements accurately
13. Determination of conductivity of water and adjusting ionic strength to required level (03)
14. Determination of turbidity of water (03)
15. Estimation of total solids present in water sample (03)
1. Measuring the accurate volume and weight of sample
2. Filtering and air drying without losing any filtratea.
3. Accurately weighing the filter paper, crucible and filtrate
4. Drying the crucible in an oven
5. Measuring the accurate volume and weight of sample
6. Filtering and air drying without losing any filtrate
7. Accurately weighing the filter paper, crucible and filtrate

Scheme of Valuation

1. Writing Chemicals, apparatus ,principle and procedure 5 marks
2. Demonstrated competencies 20 marks
1. Making standard solutions
2. Measuring accurately the standard solutions and titrants
3. Effectively controlling the flow of the titrant
4. Identifying the end point
5. Making accurate observations
3. Viva-voce 5 marks

For detailed syllabus of all other subjects of Diploma in Refrigeration and Air Conditioning, C20 regulation curriculum do visit RAC 1st Year subject syllabuses for C20 regulation.

For all Diploma in Refrigeration and Air Conditioning exam timetable, visit APSBTET RAC all semester exam timetable direct link.