Answer:
A. hamper
Explanation:
i did this question before.
The ph is always greater than 7
Chemical properties of matter can only be observed and measured by performing a chemical change.
- Density and boiling are not chemical changes.
- This leaves reactivity and combustion. Reactivity does not need to be observed at STP so the statement is wrong.
Combustion is the best answer.
Answer:
38°c
Explanation:
Biochemical reactions takes place in our body at an approximate temprature of 38°c...
