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.
| 301. |
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 | |
| 302. |
At low temperature of liquid process which becomes easy is |
| A. | boiling |
| B. | distillation |
| C. | energy |
| D. | heat |
| Answer» C. energy | |
| 303. |
Having definite shape is characteristic of |
| A. | solids |
| B. | liquids |
| C. | gases |
| D. | plasma |
| Answer» B. liquids | |
| 304. |
Quantity which is increased when liquids are close to boiling points is |
| A. | volume |
| B. | vapor pressure |
| C. | density |
| D. | potential energy |
| Answer» C. density | |
| 305. |
Water will boil at 25 degree Celsius when external pressure is |
| A. | 10torr |
| B. | 56torr |
| C. | 45torr |
| D. | 23.7 torr |
| Answer» E. | |
| 306. |
Barium sulphate forms |
| A. | rhombic crystals |
| B. | cubic crystals |
| C. | monoclinic crystals |
| D. | hexagonal crystals |
| Answer» B. cubic crystals | |
| 307. |
Food can be cooked easily when pressure is |
| A. | decreased |
| B. | increased |
| C. | no effect |
| D. | remains same |
| Answer» B. increased | |
| 308. |
Ions which are produced from ligands are |
| A. | cation |
| B. | anion |
| C. | complex ion |
| D. | none of above |
| Answer» D. none of above | |
| 309. |
Crystals of NaCl are |
| A. | circle |
| B. | oval |
| C. | elliptical |
| D. | cubic |
| Answer» E. | |
| 310. |
Parts of body having tumor are usually |
| A. | cold |
| B. | warmer |
| C. | normal |
| D. | moderate |
| Answer» C. normal | |
| 311. |
Bond distance of iodine in gaseous state is |
| A. | 271.5pm |
| B. | 266.6pm |
| C. | 250pm |
| D. | 230pm |
| Answer» C. 250pm | |
| 312. |
Hexagonal crystals are formed by |
| A. | copper |
| B. | iron |
| C. | CdS |
| D. | Sulphur |
| Answer» D. Sulphur | |
| 313. |
Shape of carbonate crystal is |
| A. | circular |
| B. | triangular planar |
| C. | cubic |
| D. | needle like |
| Answer» C. cubic | |
| 314. |
Number of lone pair of electrons occupied by oxygen are |
| A. | three |
| B. | four times |
| C. | five |
| D. | two |
| Answer» E. | |
| 315. |
Temperature at which two crystalline forms can co exist is called |
| A. | transition temperature |
| B. | critical temperature |
| C. | distinct temperature |
| D. | all of these |
| Answer» B. critical temperature | |
| 316. |
Solids which do not have sharp melting points are by nature |
| A. | crystalline |
| B. | amorphous |
| C. | regular |
| D. | pseudo |
| Answer» C. regular | |
| 317. |
Change in energy of matter shows strength of intermolecular forces as it is |
| A. | qualitative measurement |
| B. | quantitative measurement |
| C. | geometrical measurement |
| D. | none of these |
| Answer» C. geometrical measurement | |
| 318. |
In ionic solids crystals are formed of negatively and positively charged |
| A. | atoms |
| B. | molecules |
| C. | ions |
| D. | compounds |
| Answer» D. compounds | |
| 319. |
Structure of ions effect structure of |
| A. | ionic crystal |
| B. | covalent solid |
| C. | molecular solid |
| D. | metallic solid |
| Answer» B. covalent solid | |
| 320. |
Parameters by help of which we can measure unit cell are |
| A. | six |
| B. | seven |
| C. | eight |
| D. | nine |
| Answer» B. seven | |
| 321. |
Cu, Ag and W are examples of |
| A. | metallic solids |
| B. | non metallic solids |
| C. | covalent solids |
| D. | molecular solids |
| Answer» B. non metallic solids | |
| 322. |
Molar heat of vaporization for water is |
| A. | 40.6kJ/mole |
| B. | 78kJ/mole |
| C. | 90kJ/mole |
| D. | 15kJ/mole |
| Answer» B. 78kJ/mole | |
| 323. |
Shape of crystals of aluminium oxide is |
| A. | cubic |
| B. | trigonal |
| C. | rhombic |
| D. | orthorhombic |
| Answer» C. rhombic | |
| 324. |
The enthalpy change of vaporization is the energy required to change 1 mol of liquid in to 1 mol of |
| A. | solid |
| B. | gas |
| C. | molten |
| D. | vapor |
| Answer» C. molten | |
| 325. |
Ionic compounds possess the properties |
| A. | hard |
| B. | brittle |
| C. | soluble |
| D. | all of above |
| Answer» E. | |
| 326. |
Bond which is present among covalent solids is |
| A. | ionic bond |
| B. | molecular bond |
| C. | covalent bond |
| D. | week bond |
| Answer» D. week bond | |
| 327. |
Liquid crystals posses |
| A. | gas properties |
| B. | liquid properties |
| C. | optical properties |
| D. | thermodynamic properties |
| Answer» D. thermodynamic properties | |
| 328. |
One element may have different crystalline and molecular forms called as |
| A. | allomorphs |
| B. | allophorms |
| C. | allotropes |
| D. | isotopes |
| Answer» D. isotopes | |
| 329. |
Lattice energy is measured in kilojoule per mole and its value for NaBr is |
| A. | −728 |
| B. | −900 |
| C. | −600 |
| D. | −400 |
| Answer» B. −900 | |
| 330. |
Forms of solid which can exist above or below a critical temperature are |
| A. | two dimensions |
| B. | three dimensions |
| C. | four dimensions |
| D. | one dimension |
| Answer» E. | |
| 331. |
Orthorhombic crystals usually exist in ratio of |
| A. | 1:01:03 |
| B. | 2:01:04 |
| C. | 5:08 |
| D. | 7:09 |
| Answer» C. 5:08 | |
| 332. |
In case of metallic bonds molecular orbital theory is called |
| A. | energy theory |
| B. | band theory |
| C. | array theory |
| D. | metallic theory |
| Answer» C. array theory | |
| 333. |
When crystalline solids are turn into powder thing which is not changed is |
| A. | shape |
| B. | form |
| C. | angles |
| D. | color |
| Answer» D. color | |
| 334. |
Grey tin occurs in |
| A. | cubic form |
| B. | tetragonal form |
| C. | trigonal form |
| D. | hexagonal form |
| Answer» B. tetragonal form | |
| 335. |
Energy is released when ions are brought closer to each other having |
| A. | opposite charge |
| B. | same charge |
| C. | neutral |
| D. | negative one charge |
| Answer» B. same charge | |
| 336. |
All axes are of unequal length in |
| A. | cubic system |
| B. | tetragonal system |
| C. | monoclinic system |
| D. | hexagonal system |
| Answer» D. hexagonal system | |
| 337. |
Ligands which can form two coordinate bonds from each ion or molecule to the transition metal ion are known as |
| A. | ligands ions |
| B. | dentate ligands |
| C. | monodentate ligands |
| D. | bidentate ligands |
| Answer» E. | |
| 338. |
Atoms which are more electronegative have charge, which is |
| A. | positive |
| B. | neutral |
| C. | negative |
| D. | less |
| Answer» D. less | |
| 339. |
By use of vacuum distillation boiling point of glycerin becomes |
| A. | 230 degree Celsius |
| B. | 210 degree Celsius |
| C. | 567 degree Celsius |
| D. | 68 degree Celsius |
| Answer» C. 567 degree Celsius | |
| 340. |
Cleavage behavior is actually |
| A. | anisotropic property |
| B. | isotropic |
| C. | virtual |
| D. | non virtual |
| Answer» B. isotropic | |
| 341. |
Molar heat of sublimation is, when solid |
| A. | boils |
| B. | freezes |
| C. | sublimes |
| D. | vaporize |
| Answer» D. vaporize | |
| 342. |
Silicon carbide is a giant molecule having |
| A. | covalent bond |
| B. | ionic bond |
| C. | molecular bond |
| D. | van der waal bond |
| Answer» B. ionic bond | |
| 343. |
Turbid liquid state has property of |
| A. | close packing |
| B. | vibrational motion |
| C. | surface tension |
| D. | more spaces |
| Answer» D. more spaces | |
| 344. |
Number of allotropic forms of tin is |
| A. | two |
| B. | three |
| C. | four |
| D. | five |
| Answer» B. three | |
| 345. |
Extension of regular three dimensional pattern is a property of |
| A. | crystalline solids |
| B. | amorphous solids |
| C. | simple solids |
| D. | compound solids |
| Answer» B. amorphous solids | |
| 346. |
If conditions for growing a crystal are maintained thing which remains same is |
| A. | shape of crystal |
| B. | height of crystal |
| C. | color of crystal |
| D. | surface area of crystal |
| Answer» B. height of crystal | |
| 347. |
Liquid crystal screens are part of |
| A. | lamps |
| B. | lights |
| C. | TV display |
| D. | both b and c |
| Answer» D. both b and c | |
| 348. |
Space between two layers of metals is known as |
| A. | interstices |
| B. | holes |
| C. | window |
| D. | shuttle |
| Answer» B. holes | |
| 349. |
Mobile electrons of 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 | |
| 350. |
Zinc crystals are |
| A. | cubic |
| B. | needle like |
| C. | hexagonal |
| D. | rhombohedral |
| Answer» D. rhombohedral | |