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.
| 201. |
Turbid phase of cholesteryl benzoate is called |
| A. | liquid crystal |
| B. | solid crystal |
| C. | milky liquid |
| D. | cloudy liquid |
| Answer» B. solid crystal | |
| 202. |
In symmetry faces angles and edges of a crystal are |
| A. | changed |
| B. | turned |
| C. | repeated |
| D. | no effect |
| Answer» D. no effect | |
| 203. |
Molecular solids are easily |
| A. | aligned |
| B. | teared |
| C. | stretched |
| D. | compressed |
| Answer» E. | |
| 204. |
Third angle in hexagonal system of crystals make angle of |
| A. | 60 degree |
| B. | 50 degree |
| C. | 90 degree |
| D. | 30 degree |
| Answer» D. 30 degree | |
| 205. |
Nematic is a type of liquid crystal which is based upon |
| A. | ordering |
| B. | molecules |
| C. | surface area |
| D. | surface tension |
| Answer» B. molecules | |
| 206. |
Number of electrons present in sodium ions is |
| A. | 3 |
| B. | 10 |
| C. | 5 |
| D. | 7 |
| Answer» C. 5 | |
| 207. |
Separate layers of covalent bonds are present in |
| A. | boron carbide |
| B. | graphite |
| C. | cadmium sulphide |
| D. | aluminium nitride |
| Answer» C. cadmium sulphide | |
| 208. |
Veins can be located by use of |
| A. | liquid crystals |
| B. | solid crystals |
| C. | gas crystals |
| D. | atomic crystals |
| Answer» B. solid crystals | |
| 209. |
15.1kJ/mole is value of enthalpy change for |
| A. | methane |
| B. | ethane |
| C. | propane |
| D. | pentane |
| Answer» C. propane | |
| 210. |
Example of compound having hydrogen bonding is |
| A. | Chlorine gas |
| B. | neon |
| C. | sodium chloride |
| D. | water |
| Answer» E. | |
| 211. |
Another name used for electrostatic forces is |
| A. | ionic bonds |
| B. | covalent bonds |
| C. | metallic bonds |
| D. | molecular bond |
| Answer» B. covalent bonds | |
| 212. |
Crystals which are formed by zinc oxide are |
| A. | cubic |
| B. | monoclinic |
| C. | orthorhombic |
| D. | hexagonal |
| Answer» E. | |
| 213. |
In pressure cooker water absorbs |
| A. | food |
| B. | potential energy |
| C. | heat |
| D. | molecule |
| Answer» D. molecule | |
| 214. |
Lattice energy of NaCl is |
| A. | 600 kilo joule per mole |
| B. | 787 kilo joule per mole |
| C. | 900 kilojoule per mole |
| D. | 500 kilo joule per ,ole |
| Answer» C. 900 kilojoule per mole | |
| 215. |
Metallic theory was proposed in year |
| A. | 1978 |
| B. | 1900 |
| C. | 1987 |
| D. | 1923 |
| Answer» E. | |
| 216. |
belonging of valence electrons in a crystal in metallic bond, is to |
| A. | ionic bond |
| B. | atomic solids |
| C. | whole crystal |
| D. | atom |
| Answer» D. atom | |
| 217. |
Murree hills will make water boil at |
| A. | 98 degree Celsius |
| B. | 79 degree Celsius |
| C. | 60 degree Celsius |
| D. | 40 degree Celsius |
| Answer» B. 79 degree Celsius | |
| 218. |
Expression for enthalpy changes is usually in |
| A. | per mole |
| B. | per unit volume |
| C. | per unit pressure |
| D. | all of these |
| Answer» B. per unit volume | |
| 219. |
Form of carbon Diamond is |
| A. | very reactive |
| B. | very less reactive |
| C. | moderately reactive |
| D. | reactive occasionally |
| Answer» C. moderately reactive | |
| 220. |
Very close packing of molecules is a characteristic of |
| A. | liquid |
| B. | solid |
| C. | gases |
| D. | plasma |
| Answer» B. solid | |
| 221. |
Angle in unit cell which occurs between sides 'a' and 'c' are called |
| A. | alpha |
| B. | beta |
| C. | gamma |
| D. | eeta |
| Answer» C. gamma | |
| 222. |
Example of orthorhombic crystals is |
| A. | iron |
| B. | copper |
| C. | iodine |
| D. | sodium chloride |
| Answer» D. sodium chloride | |
| 223. |
Boric acid has usually crystal shape, that is |
| A. | triclinic |
| B. | cubic |
| C. | orthorhombic |
| D. | trigonal |
| Answer» B. cubic | |
| 224. |
Well arrangement of molecules is a property of |
| A. | liquids |
| B. | plasma |
| C. | gases |
| D. | solids |
| Answer» E. | |
| 225. |
Side of manometer in which mercury rises, faces the |
| A. | liquid |
| B. | atmosphere |
| C. | container |
| D. | gas |
| Answer» C. container | |
| 226. |
As compare to metallic and ionic crystals bonding in covalent crystals is |
| A. | loose |
| B. | strong |
| C. | compact |
| D. | polar |
| Answer» B. strong | |
| 227. |
Rhombohedral and orthorhombic crystalline forms are characteristic of |
| A. | sodium chloride |
| B. | silver nitrate |
| C. | glucose |
| D. | Sulphur |
| Answer» C. glucose | |
| 228. |
When solid is changed to liquid changes in intermolecular distances is |
| A. | small |
| B. | very large |
| C. | large |
| D. | no change |
| Answer» B. very large | |
| 229. |
To calculate one gram mole volume of a solid we should know |
| A. | density |
| B. | shape |
| C. | size |
| D. | color |
| Answer» B. shape | |
| 230. |
Liquids crystals are used in display of |
| A. | lamp |
| B. | laptops |
| C. | mouse |
| D. | speakers |
| Answer» C. mouse | |
| 231. |
Sodium carbonate exists in two forms at a temperature of |
| A. | 32.92 degree Celsius |
| B. | 60 degree Celsius |
| C. | 89 degree Celsius |
| D. | 50 degree Celsius |
| Answer» B. 60 degree Celsius | |
| 232. |
Vacuum distillation is efficient because it uses |
| A. | more time |
| B. | less time |
| C. | energy |
| D. | heat |
| Answer» C. energy | |
| 233. |
Between lengths 'a' and 'b' of unit cell angle which exists is |
| A. | alpha |
| B. | beta |
| C. | gamma |
| D. | eeta |
| Answer» B. beta | |
| 234. |
Form of carbon which exists in cubic form is |
| A. | graphite |
| B. | diamond |
| C. | bucky ball |
| D. | coal |
| Answer» C. bucky ball | |
| 235. |
At transition temperature two crystalline forms exist in |
| A. | excess |
| B. | low quantity |
| C. | equilibrium |
| D. | molten state |
| Answer» D. molten state | |
| 236. |
Orderly arrangement for crystalline solids is different in different directions ,it effect |
| A. | physical properties |
| B. | anisotropic properties |
| C. | density |
| D. | volume |
| Answer» C. density | |
| 237. |
When we measure molar heat of fusion is measured at |
| A. | 1 atmosphere |
| B. | 8 atmosphere |
| C. | 5 atmosphere |
| D. | 3 atmosphere |
| Answer» B. 8 atmosphere | |
| 238. |
Compound which has existence in more than 1 crystalline form is |
| A. | isomorphic |
| B. | symmetric |
| C. | polymorphic |
| D. | cubic |
| Answer» D. cubic | |
| 239. |
Turbid liquid phases have property to move as |
| A. | gases |
| B. | liquids |
| C. | sticky substances |
| D. | honey |
| Answer» C. sticky substances | |
| 240. |
A liquid can be boiled at any temperature when we change |
| A. | container |
| B. | external pressure |
| C. | internal pressure |
| D. | surface area |
| Answer» C. internal pressure | |
| 241. |
Ionic solids at room temperature usually exist in |
| A. | amorphous form |
| B. | crystalline form |
| C. | powdered form |
| D. | liquid form |
| Answer» C. powdered form | |
| 242. |
One form of a crystalline solid can be changed into another form at |
| A. | low temperature |
| B. | high temperature |
| C. | critical temperature |
| D. | transition temperature |
| Answer» E. | |
| 243. |
Temperature in degree centigrade at which Fluorine boils is |
| A. | −188.1 |
| B. | 186 |
| C. | 189 |
| D. | −200 |
| Answer» B. 186 | |
| 244. |
The shape of the complex with six ligands attached is |
| A. | tetrahedral |
| B. | octahedral |
| C. | hexane |
| D. | tetrahedron |
| Answer» C. hexane | |
| 245. |
The pressure which is being exerted by vapor in equilibrium state is known as |
| A. | vapor pressure |
| B. | equilibrium |
| C. | endothermic |
| D. | exothermic |
| Answer» B. equilibrium | |
| 246. |
When the movement of water molecules in liquid becomes equal to the molecules in vapor form, a state is called |
| A. | equilibrium |
| B. | constant |
| C. | ideal |
| D. | non-ideal |
| Answer» B. constant | |
| 247. |
In hydrogen bonding hydrogen may be bonded with |
| A. | Nitrogen |
| B. | sulphur |
| C. | sodium |
| D. | calcium |
| Answer» B. sulphur | |
| 248. |
Lengths in which unit cell usually grows are |
| A. | two |
| B. | three |
| C. | four |
| D. | five |
| Answer» C. four | |
| 249. |
Zinc sulphate usually forms isomorph with |
| A. | nickel sulphate |
| B. | sodium nitrite |
| C. | sugar |
| D. | salt |
| Answer» B. sodium nitrite | |
| 250. |
Amorphous solids include |
| A. | diamond |
| B. | rubber |
| C. | wood |
| D. | metals |
| Answer» C. wood | |