Applied Chemistry Sample Paper 2023 PDF

**GOVERNMENT POLYTECHNIC, NAGPUR.** **(An Autonomous Institute of Govt. of Maharashtra)** **Summative Assessment- 2023 -ODD/EVEN** **MODEL PAPER** **Program: Diploma in EE/ET/ME/IT/CM/CE/AE/AIML/MK/PK/MT/TX** **Course Code : CH101H Course Name : APPLIED CHEMISTRY** **Time : 3 Hrs Max. Marks :...

**GOVERNMENT POLYTECHNIC, NAGPUR.** **(An Autonomous Institute of Govt. of Maharashtra)** **Summative Assessment- 2023 -ODD/EVEN** **MODEL PAPER** **Program: Diploma in EE/ET/ME/IT/CM/CE/AE/AIML/MK/PK/MT/TX** **Course Code : CH101H Course Name : APPLIED CHEMISTRY** **Time : 3 Hrs Max. Marks : 70** **Instructions:** 1. All questions are compulsory. 2. Illustrate your answers with neat sketches wherever necessary. 3. Figures to the right indicate full marks. 4. Use of non-programmable calculator is permissible. 5. Assume suitable data if necessary. 6. Preferably, write the answers in sequential order. +-------------+-------------+-------------+-------------+-------------+ | **Q.1** | | **Attempt | **M 10** | **COs** | | | | any FIVE.** | | | +-------------+-------------+-------------+-------------+-------------+ | 1R2 | a) | State | | CO1 | | | | electrovale | | | | | | ncy | | | | | | for Na~11~, | | | | | | Cl~17~,Al~1 | | | | | | 3~,Ca~20~. | | | +-------------+-------------+-------------+-------------+-------------+ | 2R2 | b) | Write two | | CO2 | | | | application | | | | | | of Glass | | | | | | wool. | | | +-------------+-------------+-------------+-------------+-------------+ | 3R2 | c) | write four | | CO3 | | | | function of | | | | | | lubricant | | | +-------------+-------------+-------------+-------------+-------------+ | 4R2 | d) | Classify | | CO4 | | | | the strong | | | | | | and weak | | | | | | electrolyte | | | | | | s. | | | | | | | | | | | | HCl, | | | | | | CH~3~COOH, | | | | | | H~2~CO~3~, | | | | | | KOH. | | | +-------------+-------------+-------------+-------------+-------------+ | 6R2 | e) | Categorize | | CO6 | | | | different | | | | | | types of | | | | | | fuels. | | | +-------------+-------------+-------------+-------------+-------------+ | 5R2 | f) | Enlist | | CO5 | | | | characteris | | | | | | tic | | | | | | of good | | | | | | paint | | | +-------------+-------------+-------------+-------------+-------------+ | 3U2 | g) | "Hard water | | CO3 | | | | consumes | | | | | | more | | | | | | soap".Justi | | | | | | fy. | | | +-------------+-------------+-------------+-------------+-------------+ | | | | | | +-------------+-------------+-------------+-------------+-------------+ | **Q.2** | | **Attempt | **M 12** | | | | | any | | | | | | THREE.** | | | +-------------+-------------+-------------+-------------+-------------+ | 1U4 | a) | Distinguish | | **CO1** | | | | between | | | | | | electrovale | | | | | | nt | | | | | | and | | | | | | covalent | | | | | | compound on | | | | | | the basis | | | | | | of | | | | | | following | | | | | | points- i) | | | | | | Type of | | | | | | Bond ii) | | | | | | Melting pt | | | | | | & Boiling | | | | | | Pt iii) | | | | | | Solubility | | | | | | iv) | | | | | | Conduction | | | | | | of | | | | | | electricity | | | | | |. | | | +-------------+-------------+-------------+-------------+-------------+ | 1A4 | b) | Select the | | **CO1** | | | | proper | | | | | | catalyst in | | | | | | given | | | | | | industrial | | | | | | processes. | | | | | | | | | | | | i)Haber's | | | | | | process ii) | | | | | | Contact's | | | | | | process | | | | | | iii) | | | | | | Hydrogenati | | | | | | on | | | | | | of oil | | | | | | iv)Ostwald\ | | | | | | 's | | | | | | process | | | +-------------+-------------+-------------+-------------+-------------+ | 2U4 | c) | Describe | | **CO2** | | | | Wood's | | | | | | metal on | | | | | | the basis | | | | | | of | | | | | | composition | | | | | | & | | | | | | properties. | | | +-------------+-------------+-------------+-------------+-------------+ | 4A4 | d) | Answer the | | **CO4** | | | | following | | | | | | question if | | | | | | H^+^ | | | | | | concentrati | | | | | | on | | | | | | of a | | | | | | solution is | | | | | | 0.05. | | | | | | | | | | | | i. Calcula | | | | | | te | | | | | | the pH | | | | | | of the | | | | | | solutio | | | | | | n. | | | | | | | | | | | | ii. Calcula | | | | | | te | | | | | | the pOH | | | | | | of the | | | | | | solutio | | | | | | n. | | | | | | | | | | | | (iii)Identi | | | | | | fy | | | | | | the nature | | | | | | of the | | | | | | solution(ac | | | | | | idic | | | | | | or basic). | | | | | | | | | | | | (iv)State | | | | | | pH of | | | | | | extremely | | | | | | alkaline | | | | | | solution | | | +-------------+-------------+-------------+-------------+-------------+ | 2U4 | e) | Differentia | | **CO2** | | | | te | | | | | | between | | | | | | thermoplast | | | | | | ics | | | | | | and | | | | | | thermosetti | | | | | | ng | | | | | | on the | | | | | | basis of | | | | | | | | | | | | i) | | | | | | Structure | | | | | | ii) | | | | | | Molecular | | | | | | weight iii) | | | | | | Heating | | | | | | effect iv) | | | | | | Reclaim and | | | | | | Reuse. | | | +-------------+-------------+-------------+-------------+-------------+ | | | | | | +-------------+-------------+-------------+-------------+-------------+ | **Q.3** | | **Attempt | **M 12** | | | | | any | | | | | | THREE.** | | | +-------------+-------------+-------------+-------------+-------------+ | 3R4 | a) | Write two | | **CO3** | | | | uses and | | | | | | two | | | | | | properties | | | | | | water proof | | | | | | cement. | | | +-------------+-------------+-------------+-------------+-------------+ | 3U4 | b) | Give reason | | **CO3** | | | | | | | | | | \(i) Good | | | | | | lubricant | | | | | | should | | | | | | have high | | | | | | viscocity | | | | | | index. | | | | | | | | | | | | (ii)Good | | | | | | lubricant | | | | | | should have | | | | | | low | | | | | | volatility. | | | +-------------+-------------+-------------+-------------+-------------+ | 3U4 | c) | **Identify | | **CO3** | | | | salt | | | | | | responsible | | | | | | for | | | | | | temporary | | | | | | hardness | | | | | | and | | | | | | permanent | | | | | | hardness | | | | | | from given | | | | | | salt.** | | | | | | | | | | | | **(i) | | | | | | CaCl~2~ | | | | | | (ii) | | | | | | Ca(HCO~3~)~ | | | | | | 2~** | | | | | | | | | | | | **(iii)MgS0 | | | | | | ~4~ | | | | | | (iv)Mg(HCO~ | | | | | | 3)2~** | | | +-------------+-------------+-------------+-------------+-------------+ | 2R4 | d) | Draw the | | **CO2** | | | | systematic | | | | | | flow chart | | | | | | of metal | | | | | | extraction. | | | +-------------+-------------+-------------+-------------+-------------+ | 6R4 | e) | Describe 3R | | **CO6** | | | | concept for | | | | | | sustainable | | | | | | development | | | | | | of | | | | | | environment | | | | | |. | | | | | | ," CNG is | | | | | | clean fuel | | | | | | "justify | | | | | | the | | | | | | statement | | | +-------------+-------------+-------------+-------------+-------------+ | | | | | | +-------------+-------------+-------------+-------------+-------------+ | **Q.4** | | **Attempt | **M 12** | | | | | any | | | | | | THREE.** | | | +-------------+-------------+-------------+-------------+-------------+ | 4U4 | a) | **Discuss | | **CO4** | | | | the factors | | | | | | affecting | | | | | | the degree | | | | | | of | | | | | | ionization. | | | | | | ** | | | +-------------+-------------+-------------+-------------+-------------+ | 5U4 | b) | Classify | | **CO5** | | | | Oxide film | | | | | | form during | | | | | | corrosion,w | | | | | | ith | | | | | | example.Nam | | | | | | e | | | | | | the most | | | | | | protective | | | | | | oxide film. | | | +-------------+-------------+-------------+-------------+-------------+ | 6U4 | c) | Describe | | **CO6** | | | | the | | | | | | significanc | | | | | | e | | | | | | of Wind | | | | | | energy and | | | | | | solar | | | | | | energy. | | | +-------------+-------------+-------------+-------------+-------------+ | 5A4 | **d)** | Compare | | **CO5** | | | | electrochem | | | | | | ical | | | | | | corrosion | | | | | | mechanism | | | | | | of hydrogen | | | | | | evolution | | | | | | and oxygen | | | | | | absorption | | | | | | on the | | | | | | basis of | | | | | | **following | | | | | | points** | | | | | | | | | | | | i. size of | | | | | | anode, | | | | | | ii) | | | | | | size of | | | | | | cathode | | | | | | iii)con | | | | | | ducting | | | | | | media, | | | | | | iv) | | | | | | rate of | | | | | | corrosi | | | | | | on. | | | +-------------+-------------+-------------+-------------+-------------+ | 1U4 | **e)** | Formulate | | **CO1** | | | | the CO~2~ | | | | | | compound | | | | | | with | | | | | | schematic | | | | | | representat | | | | | | ion.State | | | | | | type of | | | | | | bonging in | | | | | | it. | | | +-------------+-------------+-------------+-------------+-------------+ | | | | | | +-------------+-------------+-------------+-------------+-------------+ | **Q.5** | | **Attempt | **M 12** | | | | | any TWO.** | | | +-------------+-------------+-------------+-------------+-------------+ | 2A6 | a) | Suggest the | | **CO2** | | | | physical | | | | | | concentrati | | | | | | on | | | | | | method for | | | | | | i)heavy | | | | | | metal ore | | | | | | ii) | | | | | | magnetic | | | | | | metal ore. | | | | | | Describe | | | | | | anyone with | | | | | | well | | | | | | labelled | | | | | | digram. | | | +-------------+-------------+-------------+-------------+-------------+ | 4A6 | b) | **Calculate | | **CO4** | | | | time in | | | | | | seconds in | | | | | | which 0.4gm | | | | | | of Copper | | | | | | deposited, | | | | | | when a | | | | | | current of | | | | | | 0.7 ampere | | | | | | is | | | | | | passed.(ECE | | | | | | of | | | | | | Cu=0.000329 | | | | | | ) | | | | | | State | | | | | | Faraday's | | | | | | first law | | | | | | of | | | | | | electrolysi | | | | | | s | | | | | | with | | | | | | mathematica | | | | | | l | | | | | | equation.** | | | +-------------+-------------+-------------+-------------+-------------+ | 3A6 | c) | Suggest | | **CO3** | | | | lime for | | | | | | following | | | | | | purpose (i) | | | | | | chemical | | | | | | glass | | | | | | industry | | | | | | (ii) water | | | | | | softening | | | | | | (iii) muddy | | | | | | white | | | | | | colour (iv) | | | | | | make poor | | | | | | mortar | | | | | | (v)White | | | | | | wash (vi) | | | | | | Inferior | | | | | | work | | | +-------------+-------------+-------------+-------------+-------------+ | | | | | | +-------------+-------------+-------------+-------------+-------------+ | **Q.6** | | **Attempt | **M 12** | | | | | any TWO.** | | | +-------------+-------------+-------------+-------------+-------------+ | 5A6 | a) | **Suggest | | **CO5** | | | | the | | | | | | corrosion | | | | | | preventive | | | | | | methods in | | | | | | following | | | | | | conditions. | | | | | | ** | | | | | | | | | | | | **i)odd | | | | | | small | | | | | | shaped | | | | | | metal | | | | | | articles to | | | | | | be coated | | | | | | ii) | | | | | | large,irreg | | | | | | ular | | | | | | shaped | | | | | | metal | | | | | | sheets to | | | | | | be coated | | | | | | iii)plane | | | | | | sheets used | | | | | | in aircraft | | | | | | materials | | | | | | iv)coating | | | | | | metal is | | | | | | tin.Give | | | | | | two | | | | | | similaritie | | | | | | s | | | | | | between | | | | | | Galvanising | | | | | | process and | | | | | | Sherardizin | | | | | | g | | | | | | process.** | | | +-------------+-------------+-------------+-------------+-------------+ | 6A6 | b) | **Compare | | **CO6** | | | | Solid fuels | | | | | | and Gaseous | | | | | | fuels on | | | | | | the basis | | | | | | of | | | | | | following | | | | | | points.** | | | | | | | | | | | | **i.Calorif | | | | | | ic | | | | | | value, | | | | | | ii.Ignition | | | | | | point, | | | | | | iii.Ash | | | | | | content, | | | | | | iv.moisture | | | | | | v.volatile | | | | | | matter | | | | | | vi.Thermal | | | | | | efficiency. | | | | | | ** | | | +-------------+-------------+-------------+-------------+-------------+ | 4U6 | c) | Study the | | **CO4** | | | | following | | | | | | fig. Answer | | | | | | the | | | | | | following | | | | | | with | | | | | | reference | | | | | | to Nickel | | | | | | Cadmium | | | | | | cell. | | | | | | | | | | | | (i) | | | | | | Identify A | | | | | | and B. | | | | | | | | | | | | (ii) state | | | | | | type of | | | | | | cell | | | | | | (primary | | | | | | /secondary) | | | | | | and state | | | | | | voltage of | | | | | | cell | | | | | | | | | | | | (iii) write | | | | | | two uses of | | | | | | given cell. | | | +-------------+-------------+-------------+-------------+-------------+ **Course Outcomes** ----- -------------------------------------------------------------------------------------- CO1 Analyse the bonding type in given compounds and application of catalyst in industry. CO2 Select metal and non metal materials for industrial application. CO3 Analyse engineering materials on the basis of properties and applications. CO4 Apply the concept of electrochemistry to solve engineering and industrial problems. CO5 Solve metal-corrosion problems using relevant preventive method. CO6 Analyze different types of energy sources for sustainable development. ----- --------------------------------------------------------------------------------------