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This section includes 1315 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
1301. |
________ extinguishes fire._x005F_x000D_ |
A. | o2 |
B. | co2 |
C. | So2 |
D. | No2 |
Answer» C. So2 | |
1302. |
............. elements have the largest atoms |
A. | F |
B. | O |
C. | H |
D. | Li |
Answer» E. | |
1303. |
........... elements are present in the sixth period of the modern periodic table._x005F_x000D_ Â _x005F_x000D_ |
A. | 32 |
B. | 18 |
C. | 33 |
D. | 8 |
Answer» B. 18 | |
1304. |
............ element is represented by the given symbol._x005F_x000D_ |
A. | Hydrogen |
B. | Mercury |
C. | Carbon |
D. | Gold |
Answer» C. Carbon | |
1305. |
.......... element has two orbits that are completely filled._x005F_x000D_ |
A. | He |
B. | Ar |
C. | Kr |
D. | Ne |
Answer» E. | |
1306. |
........ does NOT contain carbonyl group._x005F_x000D_ |
A. | Aldehyde |
B. | Carboxyl acid |
C. | Ketone |
D. | Ethanol |
Answer» E. | |
1307. |
_______contributes towards global warming so it is called a greenhouse gas._x005F_x000D_ |
A. | Oxygen |
B. | Nitrogen |
C. | Hydrogen |
D. | Methane |
Answer» E. | |
1308. |
______ decreases the rate of setting of cement. |
A. | Alumina |
B. | Silica |
C. | Gypsum |
D. | Magnesium oxide |
Answer» D. Magnesium oxide | |
1309. |
........... compound is used as a drying agent. |
A. | Calcium oxide |
B. | Calcium carbide |
C. | Gypsum |
D. | Calcium carbonate |
Answer» B. Calcium carbide | |
1310. |
______ character of a bond between two atoms is greater if the difference in their electro negativities is lesser. |
A. | Polar |
B. | Metallic |
C. | Ionic |
D. | Covalent |
Answer» E. | |
1311. |
______ bond holds the atoms together within a water molecule. |
A. | Nonpolar covalent |
B. | Polar covalent |
C. | Ionic |
D. | CoÂ-ordinate |
Answer» C. Ionic | |
1312. |
____ are atoms/molecules/ions containing the same number of electrons._x005F_x000D_ |
A. | Isotones |
B. | Isotopes |
C. | Isoelectronic |
D. | Valence Isoelectronic_x005F_x000D_ |
Answer» D. Valence Isoelectronic_x005F_x000D_ | |
1313. |
........... as is used as an illuminating gas. |
A. | Methyl |
B. | Propane |
C. | Butene |
D. | Ethyne |
Answer» C. Butene | |
1314. |
_______________ of a material is defined as the minimum amount of the work necessary to remove a free electron from the surface of the material. |
A. | The electro-repulsive force |
B. | The coulomb factor |
C. | The power factor |
D. | The work function |
Answer» E. | |
1315. |
_______________ is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration. |
A. | Diffusion |
B. | Osmosis |
C. | Active Transport |
D. | Passive Transport |
Answer» D. Passive Transport | |