Subject :NSO Class : Class 7
what do you mean by acids and bases in simple language?
Ans 1:
Class : Class 8
Acids are the chemicals which contain hydrogen ions and taste sour. They attain a pH value below 7 and are corrosive in nature. Bases are generally hydroxides, carbonates, bicarbonates or oxides of metals and bitter to taste. They attain a pH value above 7 and are soapy to touch.
Ans 2:
Class : Class 8
Acids are substance which are sour
Bases are which are slippery/soapy to touch
Ans 3:
Class : Class 8
some materials like lemon and vinegar taste sour due to the presence of materials/ chemicals called acids.
some materials like baking soda taste bitter due to the presence of chemicals / materials called bases.
Ans 4:
Class : Class 7
acid is a word which came from latin "acidus/acidum mean sour.bases are the substances which give bitter in taste.