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Name one lustrous Non-metal?
2. Name two metals that are soft and can be cut
with a knife
3. Number of electrons gained or lost by an elementis called its
4. what are minerale?
5. what is the process of depositing zinc on iron
called?
Answers
Ans 1 :- Iodine, it is a halogen so has 7 valence electrons, violet solid crystals with lustre is the appearance of iodine.
Ans 2 :- Sodium and Potassium metals are the two metals which are soft and can be cut with a knife.
Ans 3 :- The number of electrons gained or lost by an atom of an element is called its valency.
Ans 4 :- Minerals are an essential part of a healthy diet. These nutrients occur naturally in non-living things, such as rocks and metal ores. Some examples of minerals are calcium, iodine etc. Minerals can be readily absorbed by trees and plants. When animals eat the plants, they absorb the minerals. Minerals help in various functions of the body.
Ans 5 :- The process of depositing zinc on iron to prevent rusting is called galvanization.
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