A lemon juice cleans a penny. I believe this to be the answer because the lemon cleans the penny but no molecules change
Hey there!:
Detailed solution is shown below ask if any doubt :
<span>Kind of substance besides water:
The best example of hydrogen bonding excluding water is DNA. The two strands of polymers are connected by hydrogen bonds between the nucleotide bases</span>.
Answer:
they will form a compound
