Why is there a difference between the sound produced by blowing into the mouth of a small homoeopathic vial or key and the mouth of an empty test tube? Answer: Blowing into the mouth of a small homoeopathic vial or key produces a shrill sound, but blowing into the mouth of an empty test tube […]
Difference Between Vapour and Gas Answer: Every gaseous substance has a specific temperature. At or below the temperature at which pressure can be applied to a gas to turn it into a liquid. This particular temperature is called the critical temperature of the gas. A liquid in its gaseous state below the critical temperature is
The phenomenon of the liquid gradually turning into vapour only from the surface at any temperature is called the evaporation of liquid. Boiling is the rapid evaporation of all parts of a liquid at a given temperature. Differences between Evaporation and Boiling The following are important differences between Evaporation and Boiling: Evaporation Boiling (i) Evaporation can
The total amount of inert matter in an object is called the mass of that object. Whereas, The force with which the earth attracts an object towards its centre is called the weight of that object. Relationship between mass and weight: Weight of object = Mass of object x Gravitational force. Differences between Mass and
