General Knowledge : General Science QUESTIONS AND ANSWERS :: part18 : 31 to 35
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
31.Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ? 1. Assertion (A) : Bulb filament is made of titanium. 2. Reason (R) : The filament should have low melting point. |
| Both A and R are true and R is the correct explanation of A. |
| Both A and R are true but R is not the correct explanation of A. |
| A is true but R is false. |
| Both A and R are false. |
32.The most electronegative element among the following is : |
| Fluorine |
| Oxygen |
| Sodium |
| Sulphur |
33.Speed of sound is greater in solids than in liquids because |
| the atoms in solids are regularly arranged |
| the atoms in liquids are loosely pacled |
| the solids have high elasticity |
| None of these |
34.An element is best characterized by its: |
| electronic configuration |
| atomic number |
| atomic weight |
| atomic volume |
35.According to Daltons atomic theory, the smallest particle which can exist independently is : |
| an atom |
| a molecule |
| a cation |
| an anion |
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