CENTRAL INSTITUTE OF PLASTICS ENGINEERING & TECHNOLOGY
Question Bank
COURSE : DPMT
SEMESTER: II
SUBJECT : Engineering Chemistry
3 MARK—QUESTION
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Ques 1:Define Atomic number, atomic mass and molar mass.
Ques 2: Write electronic
configuration for the following elements ------
I) O(8) II) Ca(20) III) Cu(29)
Ques 3: Write difference between Orbit and Orbital.
Ques 4: Define Pauli’s exclusion law, with example.
Ques 5: Explain Aufbau principle, with example.
Ques 6: Define Hund’s rule of maximum multiplicity, with example.
Ques 7: Define followings with example ----- i) Isotope ii) Isobar iii) Isoelectron iv) isotones
Ques 8: Explain Bohr’s atomic model.
Ques
9: Calculate the molecular weight of following molecules ------
Ques 10: What are electrovalent bonds ? explain with example.
Ques 11: Explain about covalent bonding, with example.
Ques 12: Explain coordinate covalent bonding, with example.
Ques 13: Define H-Bonding with example.
Ques 14: H2O is liquid but H2S is gas ? why?
Ques 15: Differentiate between Polar and Non polar covalent bonds.
Ques 16: Differentiate sigma and pai bonds.
Ques 17: Calculate number of sigma and pai bonds in following compounds ----
Ques 18: Explain Lewis acid base theory with example.
Qus 19: Define conjugate
acid-base theory. Write the conjugate acid pair of followings ----
NH3, OH-, Cl-, HSO4-, HCO3-, H2O
Ques 20: What
do you mean by pH scale? Mention the pH
range of followings ---
Gastric juice, Lemon, tomato juice, milk, blood, pure water
Ques 21: Calculate the pH of 0.01 M KOH solution at 298 K.
Ques 22: Define Normality with their formula.
Ques 23: How will you calculate the Equivalent weight of acids, bases and salts.
.Ques 24: Differentiate molarity and molatity.
Ques 25: How to prepare N/10 Oxalic acid solution in one litre of water?
Ques 26: What do you mean by buffer solution? Differentiate between acid buffer and base buffer solutions.
Ques 27: Define transport number and its applications.
Ques 28: Find out Normality of solution having 40 gm of NaOH in 500 ml solution.
Ques 29: What is an electrolyte? Give its classification.
Ques 30: Differentiate between Electrolysis and Electroplating.
Ques 31: Explain difference between cell and battery.
Ques 32: Write major difference between Organic and Inorganic compounds.
Ques 33: What do you mean by Isomerism? mention its classification.
Ques 34 Difine chain isomerism with example.
Ques 35: Explain position isomerism with example.
Ques36 Explain about Funtional isomerism with example.
Ques 37: Define Metamersim with example.
Ques 38 : Define tautomerism with example.
Ques 39: Define salient features of Homologous series.
Ques 40: Write the IUPAC
name of following compounds -----
1) CH2(OH)CH2(OH) 2) CHO CH2 CH(OH) CH3 3) COOH CH(NO2) CH2
CH(Cl) CH3
4) C6H5 CH2CH2COOH 5) CH3CH2COCH2CH2CH2CH3 6) CH3C(CH3)2CH2 C(Br)(Cl)CH3
Ques 41 Define fuel and mention the characteristics of good fuels.
Ques 42: Mention the advantage of liquid fuel over soild fuel.
Ques 43: Define calorific value and differentiate HCV A& LCV.
Ques 44: What is mean by Knocking? Give the name of chemical use to prevent knocking.
Ques45: Explain fractional distillation of crude oil.
Ques 46: Define Power alcohol, write its advantages and disadvantages.
Ques 47: Define Octane number and Cetane number.
Ques 48: Define Cracking with example.
Ques 49: Differentiate Exothermic and Endothermic process.
Ques 50: Explain first law of thermodynamics.
Ques : 51 Define Open, Closed and Isolated system.
Ques 52: what is difference between Isothermal and Adiabeticprocess.
Ques 53: Differentiate extensive and intensive properties.
Ques54 :What do you mean by hard and soft water?
Ques 55: Explain types of hardness of water .
Ques 56: Write the name of methods by which permanent hardness can be remove.
Ques 57: Mention
the disadvantage of hard water.
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