Answer:-
A. A water molecule
Explanation:-
A molecule is the smallest particle of a compound that retains all it's chemical properties.
Here H2O is a compound. So the smallest particle that will retain all the chemical properties and still remain water is water molecule.
Atoms Hydrogen and Oxygen both have different chemical properties from water H2O and are thus different.
Hydrogen peroxide is different molecule from water. So it is also not water.
Answer:
The most recent Global Burden of
Disease (GBD) study estimates that air pollution – indoor and outdoor combined – was the cause of 5.5 million premature deaths
globally in 2013. Air pollution also has further consequences on human health, leading in particular to an increasing number of
respiratory and cardiovascular diseases. Moreover, it affects crop yields and the environment, with impacts on biodiversity and
ecosystems, amongst others. These impacts have significant economic consequences, which will affect economic growth as well as welfare
Explanation:
Answer:
Explanation:
The glass rod losses electrons because the silk cloth has a positive charge so it attracts the negative charge of the glass rod.
a. An oxidation reaction. An oxidation reaction is a type of chemical reaction that involves a transfer of electrons between two species.
