Thereshing is done by

Handpicking can be used only when quantity of impurities is not very large.

Which method is used to separate pebbles and stones from sand

Sieving is used when the component of mixture have different sizes.

________ consist of only one type of particle

____ are formed when two or more substances are mixed together in any ratio.

Husk is separated from heavier seeds of grain

Threshing is a method by which grains are separated from the ______

Sieving process is used in construction sites also.

What is a mixture?

While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?

Sawdust is not soluble in water. If, accidentally some particles of sawdust drop into a glass of water. How would you separate them from water?

A mixture of oil and water can be separated by filtration. 

Is air a homogeneous or hetrogeneous mixture?

Winnowing is the method used to separate _____ from the grains by the means of wind.

Threshing is a method by which grains are separated from the ______

How many types of mixtures are there ?

When crops are harvested , they contain impurities such as leaves , twigs , stones and dust.

____ are formed when two or more substances are mixed together in any ratio.

Steel is a homogeneous mixture of ______ and ______ formed on mixing them in their molten states.