What is the definition for handpicking, seperation, magnetic seperation and evaporation
Answers
Answer:
Explanation:
HANDPICKING:-Handpicking is a seperation technique used to remove the unwanted impurties from the mixture by hand. It involves simply picking out substances by hand and separating them form others. Handpicking method can be used when items differ on the basis of color ,shape and weight.
SEPARATION:-A separation process is a method used in science to separate two substances, that once formed a mixture. ... Here are examples of separation techniques: distillation, evaporation, chromatography, filtration, fractional distillation and magnetism. The end product of the separation process is one or more pure compounds.
MAGNETIC SEPARATION:-Magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using a magnetic force. This separation technique can be useful in mining iron as it is attracted to a magnet.
EVAPORATION:-Evaporation is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure. Evaporation is a fundamental part of the water cycle and is constantly occurring throughout nature.
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• Hand Picking
The components, of a 'solid-solid mixture,
can, sometimes, be separated by picking
them with hands. This method is used
when components of the mixture are of
different colours, shapes or sizes and the
quantity of the mixture is small.
Examples
Examples of separating the components of a mixture by hand picking are
separating pebbles from rice or dal, or separating grass from mint leaves.
• Seperation
The components of a mixture can be seperated By simple methods the methods for seperation of mixtures are based on differences of the properties of their components.
• Magenetic Seperation
this method is used when one of the components of a mixture is Magnetic and can be attracted through metals... or magnets..