MCQOPTIONS
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MCQOPTIONS
This section includes 25 Mcqs, each offering curated multiple-choice questions to sharpen your BITSAT knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Introducing NO2 group into a molecule is known as |
| A. | nitrogen fixation |
| B. | nitration |
| C. | all of them |
| D. | nitrogenation |
| Answer» C. all of them | |
| 2. |
Which of these oxides are acidic? |
| A. | MgO |
| B. | Na2O |
| C. | P4O10 |
| D. | SiO2 |
| Answer» D. SiO2 | |
| 3. |
It is easier to reduce ion on the left if the electrode is |
| A. | less negative |
| B. | more positive |
| C. | neutral |
| D. | both a and b |
| Answer» E. | |
| 4. |
Recycling helps us by |
| A. | conserving ores |
| B. | saving energy |
| C. | All of Above |
| D. | cheaper than extracting |
| Answer» D. cheaper than extracting | |
| 5. |
Finite resources like metals can be conserved by |
| A. | extracting |
| B. | recycling |
| C. | none |
| D. | both a and b |
| Answer» C. none | |
| 6. |
The enthalpy change of vaporization is the energy required to change one mole of liquid in to one mole of |
| A. | gas |
| B. | solid |
| C. | vapor |
| D. | molten |
| Answer» B. solid | |
| 7. |
Either molten ionic compound or a concentrated aqueous compound when it is decomposed it is called |
| A. | electrolyte |
| B. | electrode |
| C. | products |
| D. | solution |
| Answer» B. electrode | |
| 8. |
The bond length in C-O is 0.143, whereas in C=O, the bond length |
| A. | decreases |
| B. | increases |
| C. | None of Above |
| D. | remains the same |
| Answer» B. increases | |
| 9. |
Presence of carbonyl group will reflect the precipitate of color |
| A. | orange |
| B. | red |
| C. | white |
| D. | brown |
| Answer» B. red | |
| 10. |
Stunted growth and yellow leaves in a plant are the indicators of |
| A. | Nitrogen deficiency |
| B. | Acid Rains |
| C. | All of Above |
| D. | excess alkalinity of soil |
| Answer» B. Acid Rains | |
| 11. |
Half cells contain two ions of same element with different |
| A. | oxidation state |
| B. | atomic mass |
| C. | none |
| D. | both a and b |
| Answer» B. atomic mass | |
| 12. |
Catalytic converters used in cars used to |
| A. | reduce nitrogen oxides |
| B. | oxidize carbon monoxide |
| C. | all of them |
| D. | oxidize unburnt hydrocarbons |
| Answer» D. oxidize unburnt hydrocarbons | |
| 13. |
The number of atoms of each element in a particular compound is represented through |
| A. | ionic mass |
| B. | molecular mass |
| C. | formula |
| D. | nucleon number |
| Answer» D. nucleon number | |
| 14. |
Which of these elements of Group IV are non-metals? |
| A. | Germanium (Ge) |
| B. | Carbon (C ) |
| C. | Silicon (Si) |
| D. | Lead (Pb) |
| Answer» C. Silicon (Si) | |
| 15. |
The inorganic non-metallic solid which is made by heating a mixture of substance to a very high temperature gives off |
| A. | molten |
| B. | ceramic |
| C. | brass |
| D. | solid |
| Answer» C. brass | |
| 16. |
Across the period the nuclear charge |
| A. | decreases |
| B. | increase |
| C. | same |
| D. | constant |
| Answer» C. same | |
| 17. |
Manufacture of polyesters involves reaction of |
| A. | diols |
| B. | dicarboxylic |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 18. |
Acyl chlorides quickly undergoes hydrolysis at room temperature with |
| A. | water |
| B. | strong alkali |
| C. | all of them |
| D. | strong base |
| Answer» B. strong alkali | |
| 19. |
The carbon atoms are arranged in planar layers in |
| A. | graphite |
| B. | tin |
| C. | mercury |
| D. | diamond |
| Answer» B. tin | |
| 20. |
Successive electron affinities must be used when element forms an ion with more than one |
| A. | negative charge |
| B. | ion |
| C. | neutron |
| D. | positive charge |
| Answer» B. ion | |
| 21. |
Enantiomers is the termed given to |
| A. | chain isomer |
| B. | optical isomers |
| C. | structural isomer |
| D. | functional isomer |
| Answer» C. structural isomer | |
| 22. |
Substances which can act like acid or base are known as |
| A. | amorphous |
| B. | amphoteric |
| C. | base |
| D. | alkalis |
| Answer» C. base | |
| 23. |
Sharing of outer electrons form |
| A. | covalent bonds |
| B. | ionic bonds |
| C. | Co-ordinate bonding |
| D. | metallic bonding |
| Answer» B. ionic bonds | |
| 24. |
Which of these elements have oxidation numbers greater than +4? |
| A. | Mg |
| B. | Si |
| C. | Na |
| D. | S |
| Answer» E. | |
| 25. |
The tiny area in the centre of atom is concentrated with mass and is known as |
| A. | neutron |
| B. | proton |
| C. | nucleus |
| D. | electron |
| Answer» D. electron | |