An amphoteric oxide of a bivalent metal. pls answer fast
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3.Writeashortnoteonthequalityofsound.
Ans.Qualityofsoundortimbreisthecharacteristicofsoundwhichallowsustodistinguish
betweentwosoundsofthesamepitchandloudness.Qualityofsoundenablesustodistinguish
betweenthesoundsproducedbydifferentinstrumentsandalsohelpsustorecognisevoice
evenwhenwecannotseehim/her.
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