Classify the changes involved in the following process as Physical, Chemical or both. 

Photosynthesis 

Classify the changes involved in the following process as Physical, Chemical or both. 

Cutting of Wood 

Identify the incorrect statements among the following and rewrite them correctly.
a) Formation of manure from leaves is a physical change.
b) Iron pipes coated with Zinc don’t get rust.
c) Setting of curd is a physical change.
d) Condensation of steam is not a chemical change. 
e) Burning of Magnesium in the air is a chemical change. 
 

Fill in the blank-

Magnesium+Oxygen $\to$ _____.