An iron fence is left unpainted, and it reacts with the oxygen in the air, forming rust. The formation of rust is an oxidation-r
2 answers:
Answer: This reaction is a type of synthesis reaction.
Explanation: When iron reacts with oxygen which is available in air, it leads to the formation of a reddish-brown compound known as rust.
This reaction is considered as oxidation-reduction reaction because iron is getting oxidized to and oxygen is getting reduced to oxide ion.
Equation of the rust follows:
Synthesis reactions are defined as the reactions in which two or more than two reactants combine together to form a single product which can be a molecule or a compound.
The rusting of iron is also considered as a synthesis reaction because iron and oxygen are combining together to form a single compound known as rust.
Both these reactions are a type of Chemical reactions.
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Answer:
c) Normal
Explanation:
Reflection is a phenomenon typical of light wave; it occurs when a ray of light hits the interface between two mediums, and bounces off back into the original medium, at a certain angle.
The direction of the reflected ray is determined by the law of reflection, which states that:
1) The incident ray and the reflected ray, together with the normal to the interface (the perpendicular to the interface), all lie within the same plane
2) The angle of incidence is equal to the angle of reflection:
where
is measured as the angle between the incident ray and the normal to the interface
is measured as the angle between the reflected ray and the normal to the interface