Which of the following 2 substances will react to form an ester?
A. sulfuric adic and sodium hydroxide
B. ethyl alcohol and soium hydroxide
C. acetic acid and sodium chloride
D. acetic acid and ethyl alcohol
Which of the following chaacteristics is not shared by both detergents and soaps?
A. a long carbon chain basic structure
B. Formationof insoluble substances when reacting with minerals
C. being classified as organic salts
A fer drops of phenolphthalein are placed in an acid of unkown concentration. When this acid is titrated with a standard base solution, the endpoint will be signaled by which of the following color changes?
A. red to blue
B. blue to pink
C. colorless
D. pink to colorless
Which of the following statements is not true about acid rain?
A. it can destroy necessary parts of aquatic food chains
B. ItspH is below 5.6
C. It can damage crops and forests.
D. It is composed entirely of carbonic acid and water
as allways thank you for every thing
2006-11-10 05:53:09 · 4 answers · asked by cetinnovations 1 in Science & Mathematics ➔ Chemistry
d
d
c
d
2006-11-10 05:56:49 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Number 1) Answer is D) an alcohol plus organic acid yields an ester.
Number 2) Answer B) Not necessarily form salts insoluble when reacting with minerals.
Number 3) Answer D) From pink to colorless
Number 4) Answer D) Because acid rain is formed primarily by sulphur oxides and nitrogen oxides dissolved in the water forming sulphuric and nitric acids.
Hope it helps!
Good luck!
2006-11-10 06:00:44 · answer #2 · answered by CHESSLARUS 7 · 0⤊ 0⤋
1. c. a single displacement reaction 2. c.they must be replaced as they are used up is false - they are never used up in a reaction 3.c. the pH of the solution 4. b.H3 PO4 5.a. An indicator anytimmmmmmmmmmmmmmmeeeeeeee
2016-05-22 03:09:14 · answer #3 · answered by Anonymous · 0⤊ 0⤋
a,b,c.b
2006-11-10 05:55:40 · answer #4 · answered by the_1_and_only_kris 2 · 0⤊ 0⤋