Dpmt 2nd Semester Engineering Chemistry Question Bank.

             CENTRAL  INSTITUTE  OF PLASTICS ENGINEERING & TECHNOLOGY

                                                 Question Bank

 1 MARK—QUESTION

2 MARK ---QUESTION

3 MARK --- QUESTION

4/5 MARK ----QUESTION

COURSE      : DPMT

SEMESTER: II

SUBJECT    : Engineering Chemistry

 2 MARK—QUESTION

                                            --------

1.  Compare the mass and charge of the three fundamental sub atomic particles?

2.  Draw the shape of s and p orbitals.

3.  Calculate the number of protons, electrons and neutrons in₃₅Br⁸¹

4.  What is Aufbau rule?

5.  Define Hund’s rule for maximum multiplicity?

6.  Define Atomic mass.

7.  Define orbitals

8.  What is modern periodic table?

9. Write an electronic configuration for the followingatoms.

i)  Hydrogen(₁H¹)             ii)Lithium(₃Li⁶)                 iii)Carbon(₆C¹²)               iv) Oxygen(₈O¹⁶)

10.Which type of bond present in sodium chloride (MgCl₂) and give thereason.

11.Give example of coordinate bonding?

12.Which type of bond present in Hydrogen molecule (H₂) and give thereason.

13.What is the rule for an atom to become stable? Explainit.

14.  Explain the following terms based on Lewis Concept

i)  Acid               ii)Base

2.    4 g of NaOH was dissolved in 500 ml distilled water. Find the Normality of thesolution?

3.    Define Molarity of asolution.

4.    What is the relation between Normality and Molarity?

5.    What issuper saturated solution?

6.    Define pH of asolution.

7.    Define amphoteric substance?

8.    What is the use of buffersolution?

9.    Give the example of acidic and basic buffer?

10.  Which ions are responsible for temporary hardness of water?

11.  What is permanent hardness ofwater?

12.  What is soft and hard water?

13.  What is catenation?

14.  What is Hydrocarbon?

15.  What isfunctional group? Give twoexamples

16.  Classify the following compound based on functionalgroup.

     i) CH₃-O-CH₃ii)CH₃-OH        iii)CH₃COCH₃iv) CH₃CHO

30.  Write the name of the followingcompounds

     i) CH₃CH₂CH₂CH₂Cl ii)CH₃CH₂COOHiii)CH₃CHO         iv) CH₃COCH₃

31.  Define the termfuels.

32.  What are fossilfuels?

33.  Define Primary Fuels. Giveexamples.

34.  What are secondary fuels? Giveexamples.

35.  What is crude oil?

36.  Define calorificvalue.

37.  What is crackingprocess?

38.  Define fractionaldistillation.

39.  How to prevent knocking?

40.  What is octanenumber?

41.  What areelectrolytes?

42.  What isinsulator?

43.  What are the types ofconductors?

44.  What are electrolyticconductors?

45.  Explain Ohm’slaw.

46.  What is an electrolyticcell?

47.  What aresemiconductors?

48.  Define System and surrounding.

49.  What is reversible and irreversible process?

50.  What is Endothermicprocess?

51.  Explain first law ofthermodynamics.

52.  What are extensiveproperties?

53.  What are intensiveproperties?

54.  Define adiabatic process.

55.  What is an open system?