MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 634 Mcqs, each offering curated multiple-choice questions to sharpen your Boolean Algebra and Logic Simplification knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In an optimum temperature Chlorine reacts with dilute alkalis by |
| A. | reducing some atoms |
| B. | oxidizing some atoms |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 2. |
The -COOH is the functional group in |
| A. | carboxylic acids |
| B. | ester |
| C. | ketone |
| D. | aldehydes |
| Answer» B. ester | |
| 3. |
A plane flies a distance of 5000 m with the work done of 25000 J, the force applied is |
| A. | 30000 N |
| B. | 20000 N |
| C. | 5 N |
| D. | 125000 N |
| Answer» D. 125000 N | |
| 4. |
The formula Al(NO3)3 indicates that |
| A. | three molecules of aluminum are combined with three molecules of Nitrate ion |
| B. | three molecules of aluminum are combined with three molecules of Nitrogen oxide |
| C. | None of Above |
| D. | one molecules of aluminum is combined with three molecules of Nitrate ion |
| Answer» E. | |
| 5. |
Fluorine can be stored in containers of |
| A. | Co/Ni alloy |
| B. | Al/Co alloy |
| C. | Cu/Ni alloy |
| D. | Cu/Si alloy |
| Answer» D. Cu/Si alloy | |
| 6. |
Turnover number refers to the |
| A. | number of moles of substrate converted to product per minute |
| B. | number of moles of enzymes converted to product per minute |
| C. | number of moles of enzymes consumed in the reaction |
| D. | number of substrate molecules reacted per enzyme per minute |
| Answer» E. | |
| 7. |
Virtual image is of same size as the object' is a true statement of plane mirror image. |
| A. | Wrong |
| B. | Right |
| C. | Neither right nor wrong |
| D. | May be right or may be wrong |
| Answer» C. Neither right nor wrong | |
| 8. |
The forces between the diatomic halogens are |
| A. | permanent dipole-dipole forces |
| B. | van der Wall's forces |
| C. | None of Above |
| D. | electrovalent forces |
| Answer» C. None of Above | |
| 9. |
HClO is called |
| A. | Chlorine |
| B. | chloric acid |
| C. | water |
| D. | bacteria killer |
| Answer» C. water | |
| 10. |
As we go down the Group II, metals become |
| A. | less reactive |
| B. | more reactive |
| C. | hyperactive |
| D. | non-reactive |
| Answer» C. hyperactive | |
| 11. |
Which of these bonds are trigonal pyramidal? |
| A. | NH3 |
| B. | CH4 |
| C. | AlCl3 |
| D. | ClF3 |
| Answer» E. | |
| 12. |
Metallocene catalyst is used to produce |
| A. | addition polymers |
| B. | ball point pen |
| C. | none |
| D. | PVC |
| Answer» B. ball point pen | |
| 13. |
In equation the symbol 'aq' represents |
| A. | large amount of water |
| B. | aqueous |
| C. | a and b |
| D. | concentrated |
| Answer» D. concentrated | |
| 14. |
With increasing atomic number of Halogens, the |
| A. | the atomic radii decreases |
| B. | van der Walls forces decrease |
| C. | All of Above |
| D. | the color becomes darker |
| Answer» E. | |
| 15. |
The volume of glass is 15 m3 and its density is about 2500 kg m-3, its mass would be |
| A. | 37500 kg |
| B. | 3750 kg |
| C. | 375 kg |
| D. | 4 x 10-4 |
| Answer» B. 3750 kg | |
| 16. |
Salts of common acids doesn't contain in its nomenclature the |
| A. | reduction number |
| B. | oxidation number |
| C. | proton number |
| D. | charge |
| Answer» C. proton number | |
| 17. |
The distribution of energies with respect to temperature was given in |
| A. | Boltzmann energy |
| B. | Boltzmann distribution |
| C. | All of Above |
| D. | Boltzmann temperature distribution |
| Answer» C. All of Above | |
| 18. |
Work is defined as |
| A. | W = F + s, where F is force and s is displacement |
| B. | W = F/s, where F is force and s is displacement |
| C. | W = F x s, where F is force and s is displacement |
| D. | W = F - s, where F is force and s is displacement |
| Answer» D. W = F - s, where F is force and s is displacement | |
| 19. |
The main cause of Acid Rain is |
| A. | Nitrogen (II) oxide |
| B. | Nitrogen (IV) oxide |
| C. | All of Above |
| D. | NO |
| Answer» D. NO | |
| 20. |
The precision of most stopwatches is |
| A. | 0.1 second |
| B. | 1 second |
| C. | 1 minute |
| D. | 0.01 second |
| Answer» E. | |
| 21. |
Melting point of phenol is relatively high for an aryl compound because of the |
| A. | ionic bonding |
| B. | hydrogen bonding |
| C. | all of them |
| D. | covalent bonding |
| Answer» C. all of them | |
| 22. |
in case of electric conductivity Silicon is a |
| A. | conductor |
| B. | semi-conductor |
| C. | none |
| D. | insulator |
| Answer» C. none | |
| 23. |
Energy cannot be |
| A. | destroyed or transferred |
| B. | converted or transferred |
| C. | created or destroyed |
| D. | created or transferred |
| Answer» D. created or transferred | |
| 24. |
In titration, the color of the indicator can be removed by |
| A. | repeating the process again |
| B. | not adding indicator in the beginning |
| C. | all of these |
| D. | boiling the solution with some animal charcoal |
| Answer» E. | |
| 25. |
The boiling point of liquid hydrogen is equal to 20 K, which is equal to |
| A. | −253 °C |
| B. | −293 °C |
| C. | 253 °C |
| D. | 293 °C |
| Answer» B. −293 °C | |
| 26. |
On large scale at industrial level Ammonia is produced by |
| A. | Contact process |
| B. | Haber's process |
| C. | none |
| D. | both a and b |
| Answer» C. none | |
| 27. |
Ions discharged in electrolysis depends on |
| A. | concentration of ions |
| B. | relative electrode potential |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 28. |
Atom is oxidizing agent decreases in oxidation number when nitric acid reacts as |
| A. | reducing agent |
| B. | oxidizing agent |
| C. | metalloid |
| D. | metal |
| Answer» C. metalloid | |
| 29. |
The gas particles are in constant motion was suggested in |
| A. | Kinetic theory of matter |
| B. | The kinetic theory of gases |
| C. | All of Above |
| D. | kinetic theory of gaseous state |
| Answer» C. All of Above | |
| 30. |
The steam point is equal to 373 K, which is equal to |
| A. | 100 °C |
| B. | −100 °C |
| C. | −473 °C |
| D. | 473 °C |
| Answer» B. −100 °C | |
| 31. |
The correct condition for the state of equilibrium in principle of moment is |
| A. | resultant force should be zero |
| B. | distance between the two objects in beam balance should be same |
| C. | the tension should be equal on both sides |
| D. | the weight of both objects on the beam balance should be same |
| Answer» B. distance between the two objects in beam balance should be same | |
| 32. |
Bonds formed by sharing four electrons are |
| A. | electrovalent bonds |
| B. | covalent bonds |
| C. | double covalent bonds |
| D. | dative covalent bonds |
| Answer» D. dative covalent bonds | |
| 33. |
Phosphorous reacts with chlorine to form |
| A. | PCl3 |
| B. | PCl2 |
| C. | P2Cl5 |
| D. | PCl5 |
| Answer» E. | |
| 34. |
Plants respond to changes like |
| A. | light |
| B. | gravity |
| C. | All of above |
| D. | water availability |
| Answer» D. water availability | |
| 35. |
An object has a mass of 24 kg, the weight of it on earth and moon would |
| A. | On earth = 25.6 N, on moon 35 N |
| B. | On earth = 38.4 N, on moon = 240 N |
| C. | On earth = 240 N, on moon = 38.4 N |
| D. | On earth = 35 N, on moon = 25.6 N |
| Answer» D. On earth = 35 N, on moon = 25.6 N | |
| 36. |
So 1 atmosphere is equal to |
| A. | 76 cm H2O |
| B. | 76 cm Hg |
| C. | 76 cm Oil |
| D. | 76 cm MgO |
| Answer» C. 76 cm Oil | |
| 37. |
Van der Vaal forces increase with the increase in |
| A. | number of protons |
| B. | number of electrons |
| C. | All of Above |
| D. | number of contact points |
| Answer» D. number of contact points | |
| 38. |
The electronic configuration of group II elements is the presence of 2 electrons in |
| A. | inner most quantum shell |
| B. | outer most quantum shell |
| C. | none |
| D. | both a and b |
| Answer» C. none | |
| 39. |
Hydrogen bromide is comparatively more resistant to decomposition than |
| A. | hydrogen fluoride |
| B. | hydrogen iodide |
| C. | all of them |
| D. | hydrogen chloride |
| Answer» C. all of them | |
| 40. |
In KHCO3, element with the highest atomic mass is |
| A. | Hydrogen |
| B. | Oxygen |
| C. | Carbon |
| D. | Potassium (K) |
| Answer» E. | |
| 41. |
The process of transfer of thermal energy by means of currents in the material medium is known as |
| A. | Convection |
| B. | Conduction |
| C. | None of the above |
| D. | Radiation |
| Answer» B. Conduction | |
| 42. |
In world War II, parachutes were made by |
| A. | nylon |
| B. | polymers |
| C. | all of them |
| D. | caprolactum |
| Answer» B. polymers | |
| 43. |
Upon heating MgCO3, it decomposes into |
| A. | CO2 |
| B. | CO |
| C. | All of Above |
| D. | H2CO3 |
| Answer» B. CO | |
| 44. |
Oxygen has a higher electronegativity than |
| A. | Mg |
| B. | Si |
| C. | All of Above |
| D. | Cl |
| Answer» D. Cl | |
| 45. |
Every object has mass and weight, but the one that acts downwards is |
| A. | Weight |
| B. | Mass |
| C. | None |
| D. | Both |
| Answer» B. Mass | |
| 46. |
Elements un-common to both living things and non-living things include |
| A. | Carbon |
| B. | Oxygen |
| C. | Nitrogen |
| D. | Silicon |
| Answer» E. | |
| 47. |
Electrons are usually lost by |
| A. | non-metals |
| B. | metals |
| C. | transition metals |
| D. | inert gases |
| Answer» C. transition metals | |
| 48. |
Which feature of the laboratory thermometer makes it responsive? |
| A. | The small bulb containing a small amount of liquid |
| B. | The thin-walled glass bulb |
| C. | The relatively small size of the thermometer |
| D. | The fine as well as uniform bore of the capillary tube |
| Answer» B. The thin-walled glass bulb | |
| 49. |
at room temperature phosphorus and sulfur are |
| A. | liquid |
| B. | solid |
| C. | molten |
| D. | gas |
| Answer» C. molten | |
| 50. |
If an unmarked mercury thermometer has l100 55 cm and l0 is 5 cm, if the lθ is 45 cm the temperature of the thermometer would be |
| A. | 40 °C |
| B. | 20 °C |
| C. | 80 °C |
| D. | 60 °C |
| Answer» D. 60 °C | |