Cover with metal .Any elements other than hydrozen and helium concentration shows an absorbance
The answer is head-to-tail joining of monomers. Monomer used in condensation have two functional groups that combine to form amide and ester linkages. When this reaction occurs, water molecules is removed and that is why it is called a condensation reaction.
"Increase Pressure " is the right answer. if you need help , let me know
Answer:
Option B : burning of wood
Explanation:
Chemical change is a change where a new substance is created like when you will bur wood you get ash this is a new substance, so burning of wood is a chemical change.
Normal rainwater has a pH of 5.6<span> (slightly acidic)</span>
