General Awareness Daily Quiz #16

Which of the following is, "A device used to connect two separate Ethernet networks into one extended
Ethernet."?
Options:
1)Bridge
2)Router
3)Repeater
4)Modem

________________ is a language for the specification of procedures for the retrieval (and sometimes also
modification) of information from a database.
Options:
1)High Level Language
2)SQL
3)Query Language
4)4GL

Name : Formula
1. Acetone : CH2OHCHOHCH2OH
2. Ethanal : CH3CHO
3. Formaldehyde : HCHO
4. Glycerol : CH3COCH3
Which of the above pairs are correctly matched?
Options:
1)2 and 3 only
2)1 and 4 only
3)2, 3 and 4 only
4)1,2 , 3 and 4

What is the IUPAC name of tert-Butyl bromide?
Options:
1)2-Bromo-3-methylpropane
2)2-Bromo-2-methylpropane
3)2-Bromo-3-methylbutane
4)2-Bromo-2-methylbutane

Francium is highly radioactive; its longest-lived isotope223Fr has a half-life of only _____________.
Options:
1)2.1 seconds
2)21 seconds
3)2.1 minutes
4)21 minutes