I and II are: 
Definitions:
Digital to analog converter
A device that transforms digital signals (often binary) into analog signals.
Valve Opening
Refers to the act or process of adjusting the opening of a valve to regulate the flow of fluids or gases.
Q12: Which one of the following best represents
Q23: Which compound is a secondary amine?<br>A)CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>NH<sub>2</sub><br>B) <img
Q27: According to the Lewis definition,a base is
Q36: What product is formed when cis-2,3,3-trimethylhepta-1,5-diene is
Q41: Adding sodium hydride,NaH,to water produces:<br>A)H<sub>2</sub> and NaOH(aq)<br>B)H<sup>-</sup>(aq)+
Q43: What is the major product for the
Q54: Which compound is an aldehyde? <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5902/.jpg"
Q93: Draw all isomers of C<sub>6</sub>H<sub>12</sub>O that are
Q100: Which structure represents (E)-1-bromo-2-methylhex-2-ene?<br>A) <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5902/.jpg" alt="Which
Q134: IR absorption signals of alcohols are typically