Advertisements
Advertisements
प्रश्न
What do you understand by :
Metalloids
Advertisements
उत्तर
Metalloids : Metalloids are those substances which have some properties of metals and some of non-metals e.g. boron, silicon.
APPEARS IN
संबंधित प्रश्न
Name the main metal present in the following:
Chocolate wrappers
Give four examples of non-metallic elements.
Define:- Filtration
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Filtration
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
By using a separating funnel
Fill in the blank
_______ are made up of same kind of atoms.
Fill in the blank:
________ and _______ are pure substances.
Name the substance you will add to speed up sedimentation.
What is centrifugation ? Also write the principle on which it works.
Differentiate between the terms elements, compounds, and mixtures with suitable examples.
