Question

5.
properties are
In chemical change, new substances with
formed.​

Answer 1

Answer:

The mitochondrion is a semi autonomous double-membrane-bound organelle found in most eukaryotic organisms. Some cells in some multicellular organisms may, however, lack mitochondria (for example, mature mammalian red blood cells). A number of unicellular organisms, such as microsporidia, parabasalids, and ... To date, only one eukaryote, Monocercomonoides, is known to ...

Explanation:

Answer 2

Answer:

yes when two chemical combined each other like a plus b the form ab a new substance

as Shimla when a food is get oxidized by oxygen it combined with other element to form a new substance that is oxide substance