Answer following questions in one sentences. 1)what is meaning of sound. 2)define momentum. Write it SI and cgs unit 3)Write one examples of each - acidic and basic substances in day to day life

Answer following questions in one sentences. 1)what is meaning of so

1.	Answer following questions in one sentences. 1)what is meaning of sound. 2)define momentum. Write it SI and cgs unit 3)Write one examples of each - acidic and basic substances in day to day life
Answer» 1.something that you hear or that can be heard2.Momentum is the quantity of motion of a moving body, MEASURED as a PRODUCT of its mass and velocitySI UNITS, if the mass is in KILOGRAMS and the velocity is in meters per secondcgs units, if the mass is in grams and the velocity in CENTIMETERS per second3.basicSodium Bicarbonate acidicAcetic Acid