define: a) reactants b) products c) change d) fermentation
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DEFINE
REACTANTS – The substances which participate in a chemical reaction are called reactants.
The substance(s) to the left of the arrow in a chemical equation are called reactants.
PRODUCTS – The substances which are by chemical reactions between reactants are called products.
The substance(s) to the right of the arrow are called products .
CHANGE – A change in which one or more new substances are formed is called a chemical change. A chemical change is also called a chemical reaction.
Examples are burning of any substance, rusting of iron,etc.
FERMENTATION – Fermentation is any metabolic process in which microorganisms’ activity creates a desirable change in food and beverages, whether it’s increasing flavor, preserving foodstuffs, providing health benefits, or more.
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Answer:
reactants- the substance which take part in bringing about the chemical change are called reactants.
product- the substance which are produced as a result of chemical reaction are called products.
example- iron + oxygen+ moisture=rust
here,iron, oxygen and moisture are reactants whereas rust is product
change- an alternation in the physical and for chemical properties of matter as an effect of some kind of energy is called a change.
fermantation- the action of bacteria and yeast on carbohydrates is called fermentation.
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