B. Answer the questions below.
1. When do we use hand-picking as technique of separating components of mixture?
2. Write down two (2) advantages of hand-picking technique.
3. Write down two (2) disadvantages of hand-picking technique.
What I Have Learned
Complete the paragraph by writing down the things you have learned in this module.
The method in which substances in a mixture can be separated by just picking them out with the help of (1)________ from the mixture is known as hand-picking method. This method does not need any (2)_________ for the separation of components. However it is not feasible for (3)_________ quantitics.
(pasagot po pls yung tama po ang yung nakaka-alam po)
Answers & Comments
B.
1. The method of hand picking is used to separate those mixtures where one of the component is in small quantity. The method of hand picking is used to separate undesirable substances such as small pieces of stones from wheat, rice and
pulses.
2.
3.
The method in which substances in a mixture can be separated by just picking them out with the help of (1) hand from the mixture is known as hand-picking method. This method does not need any (2) chromatography for the separation of components. However it is not feasible for (3) quantitics.