How can you separate sand from sand from rice?
By sieving the sand through a properly mashed sieve.
to separate the mixture of sand and sugar:- first: you can mix water in it and after mixing you can separate the water and sand. and after that you boil the water until whole water is evaporated and you get sugar and sand separated. second: if difference b/w size of sugar and sand particle you can use met to separate them.
Although heating the rice and gravel with an acetylene torch will separate the two materials the rice will be incinerated in the process. Not too satisfactory.The first suggestion is usually based on a suggestion that rice floats and gravel doe not. As rice has a bulk destiny of less than that of water one might assume that it floats. However bulk density is an overall density of the rice itself and the air between the…