Author Question: Which of the following statements best describes what is happening in a water softening unit? A) ... (Read 85 times)

Ebrown · **on:** Aug 27, 2018

Which of the following statements best describes what is happening in a water softening unit?

A) The hard ions in water are exchanged for ions that do not interact as strongly with soaps.
B) The hard ions are all trapped in the softener, which filets out all the ions.
C) The ions in the water softener are softened by chemically bonding with sodium.
D) The sodium is removed from the water, making the water interact less with the soap molecules.
E) none of the above

Question 2

Which of the following statements describes a cellular activity that happens during both transcription and translation?

A) Nucleotides bind to complimentary bases.
B) The DNA helix opens up.
C) Transfer RNA is used to link peptides.
D) Protein is formed.
E) none of the above