Author Question: Shown below are the N-P-K ratings for three fertilizer additives: sawdust, fish meal, and wood ... (Read 52 times)

karateprodigy · **on:** Aug 27, 2018

Shown below are the N-P-K ratings for three fertilizer additives: sawdust, fish meal, and wood ashes. Using what you know about the chemical composition of these substances, assign each to its most likely n-p-k rating. 5-3-3 0-1.5-8 0.2-0-0.

2 A) sawdust: 5-3-3; fish meal: 0-1.5-8; wood ashes: 0.2-0-0.2
B) sawdust: 0-1.5-8; fish meal: 0.2-0-0.2; wood ashes: 5-3-3
C) sawdust: 0.2-0-0.2; fish meal: 5-3-3; wood ashes: 0-1.5-8
D) sawdust: 0.2-0-0.2; fish meal: 0-1.5-8; wood ashes: 5-3-3

Question 2

How is electrolysis different from what is going on chemically inside a battery?

A) They are the same process, just reversed.
B) Electrolysis does not use electrons.
C) Electrolysis only uses electrons from a cathode.
D) You cannot make pure compounds with electrolysis.
E) You do not produce a chemical change in electrolysis.