What can form as a result of a chemical reaction?
compounds
isotopes
alpha particles
beta particles
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Compounds are formed as result of chemical reaction.

Explanation:

During a chemical reaction compounds are formed.

Consider the following photosynthesis reaction:

Photosynthesis:

It is the process in which in the presence of sun light and chlorophyll by using carbon dioxide and water plants produce the oxygen and glucose.

Carbon dioxide + water + energy →   glucose + oxygen

water is supplied through the roots, carbon dioxide collected through stomata and sun light is capture  by chloroplast.

Chemical equation:

6H₂O + 6CO₂ + energy  →   C₆H₁₂O₆ + 6O₂

it is known from balanced chemical equation that 6 moles of carbon dioxide react with the six moles of water and created one mole of glucose and six mole of oxygen.  The glucose and oxygen are compound made from chemical reaction of carbon dioxide and water.

the correct answer would be b) volume versus temperature, because they are also directly proportional.