MCQOPTIONS
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MCQOPTIONS
This section includes 506 Mcqs, each offering curated multiple-choice questions to sharpen your Maharashtra CET knowledge and support exam preparation. Choose a topic below to get started.
| 401. |
Vapor pressure in manometric method is measured with help of |
| A. | oxygen |
| B. | chlorine |
| C. | mercury |
| D. | bromine |
| Answer» D. bromine | |
| 402. |
If we cool molten crystalline solids rapidly they form |
| A. | crystalline solids |
| B. | amorphous solids |
| C. | virtual solids |
| D. | liquids |
| Answer» C. virtual solids | |
| 403. |
Dimensions of unit cell are present along |
| A. | edges and axes |
| B. | only edges |
| C. | only axes |
| D. | only sides |
| Answer» B. only edges | |
| 404. |
Early diagnosis of breast cancer is possible by use of |
| A. | gases |
| B. | plasma |
| C. | solids |
| D. | liquid crystals |
| Answer» E. | |
| 405. |
Crystals of phosphorus and carbon dioxide are |
| A. | non polar molecular solids |
| B. | polar molecular solids |
| C. | neutral solids |
| D. | ionic solids |
| Answer» B. polar molecular solids | |
| 406. |
In metals there is assembly of positively charged spheres having same |
| A. | color |
| B. | shape |
| C. | radii |
| D. | none of these |
| Answer» D. none of these | |
| 407. |
Polymorphs have different |
| A. | color |
| B. | surface area |
| C. | chemical properties |
| D. | physical properties |
| Answer» E. | |
| 408. |
Copper and gold crystals are |
| A. | cubic |
| B. | rhombic |
| C. | circular |
| D. | needle like |
| Answer» B. rhombic | |
| 409. |
Gamma is angle which occurs between |
| A. | a and b |
| B. | b and c |
| C. | c and d |
| D. | a and c |
| Answer» B. b and c | |
| 410. |
Energy change is called as enthalpy change, when it occurs at |
| A. | varied pressure |
| B. | constant volume |
| C. | varied volume |
| D. | constant pressure |
| Answer» E. | |
| 411. |
Electrical and thermal properties for some crystalline solids depend upon |
| A. | surface |
| B. | area |
| C. | direction |
| D. | density |
| Answer» D. density | |
| 412. |
Blockages in veins can be detected by use of |
| A. | skin thermography |
| B. | liver thermography |
| C. | environment thermography |
| D. | all of these |
| Answer» B. liver thermography | |
| 413. |
Ammonia has molar heat of vaporization, whose value in kJ/mole is |
| A. | 21.7 |
| B. | 99 |
| C. | 78 |
| D. | 71 |
| Answer» B. 99 | |
| 414. |
95.5 degree Celsius is a transition temperature for |
| A. | tin |
| B. | Sulphur |
| C. | sodium |
| D. | glucose |
| Answer» C. sodium | |
| 415. |
Electrical properties of solid iodine include that it is |
| A. | non conductor |
| B. | conductor |
| C. | poor conductor |
| D. | moderate conductor |
| Answer» D. moderate conductor | |
| 416. |
Usually covalent crystals have |
| A. | one dimension |
| B. | two dimension |
| C. | three dimension |
| D. | five dimension |
| Answer» D. five dimension | |
| 417. |
In parallel layers of ionic solids, ions which are above one another have |
| A. | same charge |
| B. | opposite charge |
| C. | no charge |
| D. | small charge |
| Answer» C. no charge | |
| 418. |
Crystalline solids posses |
| A. | distinctive shape |
| B. | distinctive color |
| C. | distinctive shine |
| D. | distinctive density |
| Answer» B. distinctive color | |
| 419. |
Coefficient of thermal expansion is a property which is |
| A. | chemical property |
| B. | physical property |
| C. | virtual property |
| D. | solid property |
| Answer» C. virtual property | |
| 420. |
When crystalline solids' properties are changed with respect to direction phenomenon is called |
| A. | spectroscopy |
| B. | anisotropy |
| C. | spectrometry |
| D. | none of these |
| Answer» C. spectrometry | |
| 421. |
Strength of intermolecular as compared with intramolecular forces is |
| A. | more |
| B. | less |
| C. | same |
| D. | double |
| Answer» C. same | |
| 422. |
Structure of covalent compounds is |
| A. | closed |
| B. | open |
| C. | compact |
| D. | box like |
| Answer» C. compact | |
| 423. |
Balls' layers in cube close packing which are in front of each other are |
| A. | twelfth |
| B. | tenth |
| C. | thirteenth |
| D. | sixteenth |
| Answer» C. thirteenth | |
| 424. |
Ice is an example of |
| A. | non polar molecular solid |
| B. | polar molecular solid |
| C. | neutral molecular solid |
| D. | polar and non-polar molecular solid |
| Answer» C. neutral molecular solid | |
| 425. |
If we want to obtain crystals from liquid then we do |
| A. | fast cooling |
| B. | moderate cooling |
| C. | mixing |
| D. | slow cooling |
| Answer» E. | |
| 426. |
Forms of elements showing allotropy are called |
| A. | allotropes |
| B. | polymorphs |
| C. | cubic forms |
| D. | isomorphs |
| Answer» B. polymorphs | |
| 427. |
With help of energy gap in metals, we can determine their |
| A. | size |
| B. | properties |
| C. | color |
| D. | shape |
| Answer» C. color | |
| 428. |
40.6 kilojoules per mole is molar heat of vaporization for |
| A. | alcohol |
| B. | water |
| C. | Sulphur |
| D. | crystals |
| Answer» C. Sulphur | |
| 429. |
Enthalpy changes are usually |
| A. | negative |
| B. | neutral |
| C. | positive |
| D. | without change |
| Answer» D. without change | |
| 430. |
Depressions among two layers of metals are also known as |
| A. | voids |
| B. | holes |
| C. | window |
| D. | shuttle |
| Answer» B. holes | |
| 431. |
Glycerin can be easily purified by use of |
| A. | vacuum distillation |
| B. | simple distillation |
| C. | extended distillation |
| D. | boiling |
| Answer» B. simple distillation | |
| 432. |
Maximum value of enthalpy change is for |
| A. | molar heat of fusion |
| B. | molar heat of vaporization |
| C. | molar heat of diffusion |
| D. | molar heat of pressure |
| Answer» B. molar heat of vaporization | |
| 433. |
Crystals of sodium nitrite are |
| A. | orthorhombic |
| B. | rhombohedral |
| C. | cubic |
| D. | circle |
| Answer» C. cubic | |
| 434. |
At 1489 torr boiling point of water, in degree Celsius is |
| A. | 134 |
| B. | 120 |
| C. | 145 |
| D. | 168 |
| Answer» C. 145 | |
| 435. |
In ionic solids repulsion between layers can be developed by |
| A. | high force |
| B. | small force |
| C. | very little force |
| D. | very high force |
| Answer» C. very little force | |
| 436. |
Accurate method of studying of Avogadro's number is study of |
| A. | crystalline solids |
| B. | metallic solids |
| C. | non metallic solids |
| D. | molecules |
| Answer» B. metallic solids | |
| 437. |
Angle in cubic system between edges is |
| A. | 90 degree |
| B. | 60 degree Celsius |
| C. | 57 degree |
| D. | 40 degree |
| Answer» B. 60 degree Celsius | |
| 438. |
Liquid crystals are usually composed of |
| A. | circular molecules |
| B. | rod like molecules |
| C. | oval molecules |
| D. | triangular molecules |
| Answer» C. oval molecules | |
| 439. |
Another name for rhombohedral system is |
| A. | trigonal system |
| B. | monoclinic system |
| C. | rhombic system |
| D. | hexagonal system |
| Answer» B. monoclinic system | |
| 440. |
Lattice energy is decreased when size of anion is |
| A. | decreased |
| B. | increased |
| C. | remains same |
| D. | no change |
| Answer» C. remains same | |
| 441. |
London dispersion forces are increased by increase in |
| A. | distortion of electronic cloud |
| B. | volume |
| C. | temperature |
| D. | energy |
| Answer» B. volume | |
| 442. |
Location of atoms and ions in a crystal are shown by |
| A. | triangles |
| B. | squares |
| C. | ovals |
| D. | points |
| Answer» E. | |
| 443. |
When molten crystalline solids are cooled rapidly particles do not have |
| A. | volume |
| B. | time for arrangement |
| C. | density |
| D. | temperature |
| Answer» C. density | |
| 444. |
Metals can be hammered into different shapes and drawn into wires hence they are |
| A. | soft |
| B. | malleable |
| C. | strong |
| D. | weaker |
| Answer» C. strong | |
| 445. |
In crystal lattice unit cell is actually |
| A. | smallest figure |
| B. | lines |
| C. | points |
| D. | crystals |
| Answer» B. lines | |
| 446. |
Energy is changed when matter undergoes |
| A. | chemical change |
| B. | physical change |
| C. | pressure change |
| D. | volume change |
| Answer» C. pressure change | |
| 447. |
In liquid state ionic solids can conduct |
| A. | electricity |
| B. | heat |
| C. | liquid |
| D. | energy |
| Answer» B. heat | |
| 448. |
Molecules in solids have strong |
| A. | cohesive forces |
| B. | repulsive forces |
| C. | gaseous forces |
| D. | magnetic forces |
| Answer» B. repulsive forces | |
| 449. |
Appearance of structure of iodine is in form of |
| A. | cube lattice |
| B. | layer lattice |
| C. | compact lattice |
| D. | hexagonal lattice |
| Answer» C. compact lattice | |
| 450. |
Shape of crystals of tin oxide and magnesium oxide is |
| A. | cubic |
| B. | tetragonal |
| C. | monoclinic |
| D. | rhombic |
| Answer» C. monoclinic | |