Which of the following is true of alloys?
A. They’re liquid solutions
B. They must contain a...
Chemistry, 23.10.2020 19:10 ashlpiriz123
Which of the following is true of alloys?
A. They’re liquid solutions
B. They must contain a metal
C. They must be held together by chemical bonds
D. They can only be composed of metals
Answers: 3
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The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
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