Answer the following questions in detail
(a). Neutralisation reaction is a chemical change. Justify this statement with the help of an
example.
(b). If we chew rice or bread for few minutes. It start tasting sweet. Give reason.
Answers
a) Neutralization reaction is a chemical change it envolves the reaction of base and an acid who gives two new compounds, water and salt. For eg. Hcl+Naoh----> Nacl+ H2O.
b) When we chew rice/bread, salivary glands secrete saliva in the mouth. ... Specifically salivary amylase converts starch into glucose which is a sugar. Therefore, rice/bread starts to taste sweet after chewing for few minutes.
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Answer:
Neutralization reaction is a chemical change it involves the reaction of base and an acid who gives two new compounds, water and salt. For eg. Hcl+Naoh----> Nacl+ H2O. In neutralisation reaction the acid and base reacts to form salt and water so there is chemical change that is new compounds are form .
When we chew rice/bread, salivary glands secrete saliva in the mouth. ... Specifically salivary amylase converts starch into glucose which is a sugar.