MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
During the process of melting, the thermal energy that is absorbed during the process of melting is called |
| A. | latent heat of fusion |
| B. | specific latent heat |
| C. | latent heat capacity |
| D. | latent heat of fission |
| Answer» B. specific latent heat | |
| 2. |
Iodine which occurs at room temperature is |
| A. | solid |
| B. | liquid |
| C. | gas |
| D. | plasma |
| Answer» B. liquid | |
| 3. |
In normal liquids molecules are arranged |
| A. | randomly |
| B. | in order |
| C. | in pattern |
| D. | hexagonally |
| Answer» B. in order | |
| 4. |
Isomorphs differ in |
| A. | shape |
| B. | crystalline form |
| C. | chemical properties |
| D. | none |
| Answer» D. none | |
| 5. |
The example of orthorhombic crystals is |
| A. | iron |
| B. | copper |
| C. | iodine |
| D. | sodium chloride |
| Answer» D. sodium chloride | |
| 6. |
When we measure molar heat of vaporization pressure taken is |
| A. | 5 atmosphere |
| B. | 3 atm |
| C. | 1 atm |
| D. | 9 atm |
| Answer» D. 9 atm | |
| 7. |
London dispersion forces were explained by |
| A. | Fritz london |
| B. | Clausius |
| C. | Einstein |
| D. | Dalton |
| Answer» B. Clausius | |
| 8. |
In NaCl crystals number of chloride ions which surrounds the Sodium ions is |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» D. 7 | |
| 9. |
The mobile electrons of the non polar molecule is attracted by |
| A. | positive end of polar molecule |
| B. | negative end of polar molecule |
| C. | neutral molecule |
| D. | heavy end |
| Answer» B. negative end of polar molecule | |
| 10. |
Vacuum distillation is efficient because it uses |
| A. | more time |
| B. | less time |
| C. | energy |
| D. | heat |
| Answer» C. energy | |
| 11. |
Food can be cooked easily when pressure is |
| A. | decreased |
| B. | increased |
| C. | no effect |
| D. | remains same |
| Answer» B. increased | |
| 12. |
What is the life span of leopard in captivity? |
| A. | 21 years |
| B. | 15 years |
| C. | 36 years |
| D. | 30 years |
| Answer» B. 15 years | |
| 13. |
Molar heat of vaporization for propane is |
| A. | 15.1kJ/mole |
| B. | 23kJ/mole |
| C. | 30.1kJ/mole |
| D. | 16.9kJ/mole |
| Answer» E. | |
| 14. |
When did Lew Wallace publish The Prince of India? |
| A. | 1893 |
| B. | 1865 |
| C. | 1874 |
| D. | 1888 |
| Answer» B. 1865 | |
| 15. |
Crystalline cell has smallest pattern which has all information about the structure is known as |
| A. | unit cell |
| B. | array |
| C. | lattice |
| D. | crystals |
| Answer» B. array | |
| 16. |
The solid which can be molded and blown into different shapes is |
| A. | salt |
| B. | sugar |
| C. | glass |
| D. | diamond |
| Answer» D. diamond | |
| 17. |
The London dispersion forces are greater in |
| A. | small molecules |
| B. | large molecules |
| C. | neutral molecules |
| D. | atoms |
| Answer» C. neutral molecules | |
| 18. |
Metallic bond with respect to valence bond theory was explained by |
| A. | Drude |
| B. | Loren |
| C. | L.Pauling |
| D. | Edward |
| Answer» D. Edward | |
| 19. |
Which novel of Leo Tolstoy opens with the sentence “Happy families are all alike, every unhappy family is unhappy in its own way.”? |
| A. | The Lion and the Honeycomb |
| B. | Anna Karenina |
| C. | Master and Man |
| D. | Father Sergius |
| Answer» C. Master and Man | |
| 20. |
Veins can be located by use of |
| A. | liquid crystals |
| B. | solid crystals |
| C. | gas crystals |
| D. | none |
| Answer» B. solid crystals | |
| 21. |
The bond distance of iodine in gaseous state is |
| A. | 271.5pm |
| B. | 266.6pm |
| C. | 250pm |
| D. | 230pm |
| Answer» C. 250pm | |
| 22. |
The phenomenon in which a crystal exist in more than one forms is called |
| A. | isomorphism |
| B. | polymorphism |
| C. | habit of crystal |
| D. | symmetry |
| Answer» C. habit of crystal | |
| 23. |
Where did Lewis Carroll die? |
| A. | Berne |
| B. | Moscow |
| C. | Guildford |
| D. | Paris |
| Answer» D. Paris | |
| 24. |
Enthalpy change of vaporization s greater than enthalpy change of |
| A. | fusion |
| B. | heating |
| C. | freezing |
| D. | none |
| Answer» B. heating | |
| 25. |
London dispersion forces are present among |
| A. | polar compounds |
| B. | covalent compounds |
| C. | non polar compounds |
| D. | solids |
| Answer» D. solids | |
| 26. |
The heat required to vaporize one mole of liquid is called |
| A. | molar heat of vaporization |
| B. | molar heat |
| C. | molar heat of boiling |
| D. | latent heat |
| Answer» B. molar heat | |
| 27. |
Hexagonal crystals are formed by |
| A. | copper |
| B. | iron |
| C. | CdS |
| D. | Sulphur |
| Answer» D. Sulphur | |
| 28. |
The example of ionic solid is |
| A. | KBr |
| B. | NaCl |
| C. | both a and b |
| D. | sugar |
| Answer» D. sugar | |
| 29. |
Shape of crystals of aluminium oxide is |
| A. | cubic |
| B. | trigonal |
| C. | rhombic |
| D. | orthorhombic |
| Answer» C. rhombic | |
| 30. |
In liquid state the ionic solids can conduct |
| A. | electricity |
| B. | heat |
| C. | liquid |
| D. | energy |
| Answer» B. heat | |
| 31. |
Molar heat of vaporized needs quantity of liquid |
| A. | 1 mole |
| B. | 5 mole |
| C. | 8 mole |
| D. | 10 mole |
| Answer» B. 5 mole | |
| 32. |
The ions of the ionic crystals become free when it is in |
| A. | solid state |
| B. | compound state |
| C. | molten state |
| D. | none |
| Answer» D. none | |
| 33. |
In amorphous solids the atoms have no regular |
| A. | molecules |
| B. | volume |
| C. | density |
| D. | arrangement |
| Answer» E. | |
| 34. |
Murree hills will make water boil at |
| A. | 98 degree Celsius |
| B. | 79 degree Celsius |
| C. | 60 degree Celsius |
| D. | 40 degree Celsius |
| Answer» B. 79 degree Celsius | |
| 35. |
The packing of metals can be understood by taking example of packing of |
| A. | grapes |
| B. | squares |
| C. | balls |
| D. | pencils |
| Answer» D. pencils | |
| 36. |
The column of the manometer which faces the liquid is |
| A. | raised |
| B. | depressed |
| C. | compressed |
| D. | remains same |
| Answer» C. compressed | |
| 37. |
Atoms forming covalent bonds in layers are |
| A. | cadmium iodide |
| B. | aluminum nitride |
| C. | diamond |
| D. | silicon carbide |
| Answer» B. aluminum nitride | |
| 38. |
Two angles are of 90 degree in a crystal system which is called as |
| A. | cubic system |
| B. | tetragonal system |
| C. | monoclinic system |
| D. | hexagonal system |
| Answer» D. hexagonal system | |
| 39. |
Energy is changed when matter undergoes |
| A. | chemical change |
| B. | physical change |
| C. | pressure change |
| D. | volume change |
| Answer» C. pressure change | |
| 40. |
Temperature sensing can be done by use of |
| A. | liquid crystal |
| B. | solid crystal |
| C. | gases |
| D. | liquid crystals |
| Answer» B. solid crystal | |
| 41. |
The forms in which tin occurs are cubic and |
| A. | hexagonal |
| B. | tetragonal |
| C. | trigonal |
| D. | cubic |
| Answer» C. trigonal | |
| 42. |
32.8 degree Celsius is a transition temperature for |
| A. | potassium sulphate |
| B. | sodium sulfate |
| C. | sodium carbonate |
| D. | potassium carbonate |
| Answer» C. sodium carbonate | |
| 43. |
The covalent bond is stronger than Hydrogen bonding about |
| A. | thirty times |
| B. | sixty times |
| C. | twenty times |
| D. | seventy times |
| Answer» D. seventy times | |
| 44. |
The molecule having covalent bond is |
| A. | NaCl |
| B. | HCl |
| C. | CaCl2 |
| D. | KCl |
| Answer» C. CaCl2 | |
| 45. |
Isomorphism is possible because of compatible |
| A. | ratio |
| B. | sizes |
| C. | shape |
| D. | color |
| Answer» B. sizes | |
| 46. |
At low temperature of liquid the process which becomes easy is |
| A. | boiling |
| B. | distillation |
| C. | energy |
| D. | heat |
| Answer» C. energy | |
| 47. |
When trying to compare two files using cmp, if the files differ; what is the output? |
| A. | tells the line number where they differ |
| B. | tells the first byte where they differ |
| C. | it displays the files |
| D. | tells the first byte and line number where they differ |
| Answer» E. | |
| 48. |
When was Lew Wallace born? |
| A. | 15 March 1844 |
| B. | 26 June 1821 |
| C. | 14 July 1828 |
| D. | 10 April 1827 |
| Answer» E. | |
| 49. |
When was Louis Mountbatten Supreme allied commander for South East Asia? |
| A. | 1919-1922 |
| B. | 1943-1946 |
| C. | 1948-1950 |
| D. | 1926-1930 |
| Answer» C. 1948-1950 | |
| 50. |
The usual habit of crystals of ice is |
| A. | cubic |
| B. | monoclinic |
| C. | hexagonal |
| D. | rhombic |
| Answer» D. rhombic | |