D.
Blue litmus paper turns red when placed in a base.
Answer:
Mechanical energy is converted to chemical energy during photosynthesis. Oxygen is made from the breakdown of carbon dioxide during photosynthesis
Explanation:
would this work
<u>Answer:</u> It repels positive ion and attracts negative ion.
<u>Explanation:</u>
There are 2 types of ions:
1. Cations: These ions are positively charged ions which are formed when a substance looses electrons.
2. Anions: These ions are negatively charged ions which are formed when a substance gains electrons.
It is known that, like charges repel each other and unlike charges attract each other.
As, it is given that the substance is positively charged, so it will attract anion and repel cation.