MCQOPTIONS
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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.
| 551. |
The lattice energy is inversely propotional to sum of the radii of the |
| A. | anion |
| B. | cations |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 552. |
A brine solution is |
| A. | concentrated in salts |
| B. | low in salts |
| C. | contains a lot of water |
| D. | highly concentrated in salts |
| Answer» E. | |
| 553. |
Addition polymers are |
| A. | puncture resistant |
| B. | strong |
| C. | soft |
| D. | both a and b |
| Answer» E. | |
| 554. |
The attenuation coefficient of bone is 600 m-1 for x-rays of energy 20 keV and the intensity of beam of x-rays is 20 Wm-2 then the intensity of beam after passing through a bone of 4mm is |
| A. | 2.5 Wm-2 |
| B. | 3 Wm-2 |
| C. | 1.8 Wm-2 |
| D. | 2.0 Wm-2 |
| Answer» D. 2.0 Wm-2 | |
| 555. |
If each term in an equation has same base units then the equation is said to be |
| A. | non homogeneous |
| B. | homogeneous |
| C. | equation of circle |
| D. | equation of straight line |
| Answer» C. equation of circle | |
| 556. |
If an unmarked thermometer, which contains alcohol in its bulb, has l100 14 cm and l0 is 4 cm, if the lθ is 9 cm the temperature of the thermometer would be |
| A. | 60 °C |
| B. | 50 °C |
| C. | 10 °C |
| D. | 75 °C |
| Answer» C. 10 °C | |
| 557. |
Volatility refers to the |
| A. | malleability |
| B. | rigidity of substances |
| C. | melting point of substances |
| D. | ductability |
| Answer» D. ductability | |
| 558. |
The distinction between a weak acid or strong acid can be made through |
| A. | universal indicator |
| B. | litmus indicator |
| C. | Phenolphthalein indicators |
| D. | methyl orange indicator |
| Answer» B. litmus indicator | |
| 559. |
The absorption or release of thermal energy changes the |
| A. | internal energy of matter |
| B. | external energy of matter |
| C. | none of the energies |
| D. | both internal and external energy of matter |
| Answer» B. external energy of matter | |
| 560. |
In an insulator the valence band is |
| A. | fully empty |
| B. | fully occupied |
| C. | half charged |
| D. | half filled |
| Answer» C. half charged | |
| 561. |
The temperature at which a substance melts, that particular temperature is termed as |
| A. | Solidification point |
| B. | Melting point |
| C. | Condensation point |
| D. | Boiling point |
| Answer» C. Condensation point | |
| 562. |
When the hot molten liquid cools, |
| A. | impure substances may also form the crystals |
| B. | the first crystals are the most pure |
| C. | Both A and B |
| D. | None of These |
| Answer» C. Both A and B | |
| 563. |
Two bonding pair of electrons and two lone pairs are present in a molecule of |
| A. | ammonia |
| B. | nitrogen |
| C. | methane |
| D. | water |
| Answer» E. | |
| 564. |
The second principal quantum shell can accommodate the number of electrons in numbers |
| A. | 8 |
| B. | 2 |
| C. | 32 |
| D. | 18 |
| Answer» E. | |
| 565. |
Chromatography refers to the |
| A. | mass of chromium |
| B. | concentration of chromium in a substance |
| C. | testing of the alkalinity or acidity |
| D. | testing of additives |
| Answer» E. | |
| 566. |
Electron balances can measure accurately up to |
| A. | .001 g |
| B. | .01g |
| C. | Both A and B |
| D. | None of These |
| Answer» D. None of These | |
| 567. |
Poor conductors of electricity is a characteristic of |
| A. | covalent compounds |
| B. | ionic compounds |
| C. | diatic bonds |
| D. | metallic compounds |
| Answer» B. ionic compounds | |
| 568. |
Silicon dioxide is insoluble in |
| A. | alkali |
| B. | water |
| C. | base |
| D. | acid |
| Answer» C. base | |
| 569. |
All the organisms of all the different species, living in a habitat are called as |
| A. | Family |
| B. | Community |
| C. | Population |
| D. | Ecosystem |
| Answer» C. Population | |
| 570. |
Across periods, the physical properties of elements |
| A. | change |
| B. | do not change |
| C. | None of Above |
| D. | only melting temperature change |
| Answer» B. do not change | |
| 571. |
The smaller units which react together to form polymer are called |
| A. | isomer |
| B. | polymer units |
| C. | diatoms |
| D. | monomer |
| Answer» E. | |
| 572. |
All of these radicals have a valency of 1, except |
| A. | SO4 |
| B. | OH |
| C. | HCO3 |
| D. | NO3 |
| Answer» B. OH | |
| 573. |
The value of E⦵ is called as |
| A. | standard cell potential |
| B. | standard electrode potential |
| C. | none |
| D. | both a and b |
| Answer» B. standard electrode potential | |
| 574. |
Silver and copper (II) nitrate is yielded upon reaction of copper with |
| A. | silver nitrate |
| B. | silver |
| C. | All of Above |
| D. | silver oxide |
| Answer» B. silver | |
| 575. |
The removal of after molecule in a reaction is termed as |
| A. | dehydration |
| B. | hydrolysis |
| C. | none |
| D. | both a and b |
| Answer» B. hydrolysis | |
| 576. |
A dot and cross diagram reflects |
| A. | charge of ion |
| B. | outer electron shells |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 577. |
Covalent compounds are poor conductors of electricity because |
| A. | the molecules can not carry electricity |
| B. | they do not have ions |
| C. | Both A and B |
| D. | None of These |
| Answer» D. None of These | |
| 578. |
The angle through which an object has moved is called it's |
| A. | linear distance |
| B. | linear displacement |
| C. | angular distance |
| D. | angular displacement |
| Answer» E. | |
| 579. |
If we increase the wavelength the frequency would |
| A. | decrease |
| B. | increase |
| C. | may increase or decrease |
| D. | remain same |
| Answer» B. increase | |
| 580. |
Apparatus used for very accurate measurements include |
| A. | burette |
| B. | pipette |
| C. | Both A and B |
| D. | None of These |
| Answer» D. None of These | |
| 581. |
The closer the satellite to earth the speed should be |
| A. | more slow |
| B. | more fast |
| C. | any constant value |
| D. | zero |
| Answer» C. any constant value | |
| 582. |
As oxidizing agents, the Halogens get less powerful |
| A. | going down the group |
| B. | going up the group |
| C. | None of Above |
| D. | remains same |
| Answer» B. going up the group | |
| 583. |
fixed positions of valence electrons makes materials |
| A. | insulators |
| B. | conductors |
| C. | None of Above |
| D. | electrodes |
| Answer» B. conductors | |
| 584. |
Which one of the following gives the characteristics of a plane mirror? |
| A. | same size, upright, inverted, virtual |
| B. | upright, virtual, inverted, diminished |
| C. | inverted, magnified, virtual, upright |
| D. | inverted, same size, real, upright |
| Answer» B. upright, virtual, inverted, diminished | |
| 585. |
The change of distance in a specified direction per unit time is termed as |
| A. | Velocity |
| B. | Acceleration |
| C. | Directional Speed |
| D. | Speed |
| Answer» B. Acceleration | |
| 586. |
Quantities other than base quantities are termed as |
| A. | Base quantities |
| B. | Derived quantities |
| C. | Energetic quantities |
| D. | Professional quantities |
| Answer» C. Energetic quantities | |
| 587. |
If we drop a rock and a small pebble. Which will reach the ground first? |
| A. | Pebble |
| B. | Rock |
| C. | They won |
| D. | Both at the same time |
| Answer» E. | |
| 588. |
The reaction between carbonyl compounds and DNPH is example of |
| A. | substitution reaction |
| B. | condensation reaction |
| C. | elimination reaction |
| D. | addition reaction |
| Answer» C. elimination reaction | |
| 589. |
Lighter gases |
| A. | may be collected by upward displacement of air |
| B. | may be collected through downward delivery |
| C. | are dried through dilute H2SO4 |
| D. | are dried through conc. H2SO4 |
| Answer» E. | |
| 590. |
Other than being used to line the furnaces, a quality of ionic crystal structures is that they are |
| A. | conductors of electricity |
| B. | conductors of heat |
| C. | non-conductors of heat |
| D. | non-conductors of electricity |
| Answer» E. | |
| 591. |
When two waves meet, their displacements |
| A. | cancel out |
| B. | add up |
| C. | subtract down |
| D. | destruct each other |
| Answer» C. subtract down | |
| 592. |
The carboxylic acids are generally |
| A. | weak bases |
| B. | weak acids |
| C. | amphoteric |
| D. | strong acids |
| Answer» C. amphoteric | |
| 593. |
A man pulls a box of mass 12 kg with a force of 72 N. The acceleration of the box is |
| A. | 60 ms-2 |
| B. | 6 ms-2 |
| C. | 864 ms-2 |
| D. | 84 ms-2 |
| Answer» C. 864 ms-2 | |
| 594. |
Water can be separated from sea water through |
| A. | separating funnel |
| B. | centrifugation |
| C. | simple distillation |
| D. | fractional distillation |
| Answer» D. fractional distillation | |
| 595. |
A compound results from the chemical combination of |
| A. | two or more metals |
| B. | two or more atoms |
| C. | None of Above |
| D. | Both A and B |
| Answer» E. | |
| 596. |
% of an element can be calculated through |
| A. | relative atomic mass of the element in the formula/relative molecular mass of the compound |
| B. | relative atomic mass of the element in the formula/relative molecular mass of the element |
| C. | None of Above |
| D. | Both A and B |
| Answer» E. | |
| 597. |
Basic oxides do not include |
| A. | P4O10 |
| B. | K2O |
| C. | CaO |
| D. | Na2O |
| Answer» B. K2O | |
| 598. |
Utilizing low temperature in production of ammonia will produce ammonia |
| A. | better yields |
| B. | slowly |
| C. | dangerous |
| D. | both a and b |
| Answer» E. | |
| 599. |
In group IV melting point decreases |
| A. | across the period |
| B. | down the group |
| C. | none |
| D. | both a and b |
| Answer» C. none | |
| 600. |
The mass of an electron is about |
| A. | 10^-6 kg |
| B. | 10^-3 kg |
| C. | None of the above |
| D. | 10^-30 kg |
| Answer» E. | |