Answer:
No, it's a physical reaction.
Explanation:
A chemical change produces new chemical compounds, but combining water and powder is just mixing the powder with the water. It's not a new compound.
I don't know how to really explain, sorry :)
Answer:
DNA
Explanation: Because if you stretch DNA it gets longer.
Wind speed bc The faster the wind, the longer it blows, or the farther it can blow uninterrupted, the bigger the waves.
Answer:
Sprinkling of powder on the carom board <u>reduces</u> friction.
Answer:
in acetic acid ,there are 4 hydrogen atoms
Explanation:
C H 3 C O O H
