State some uses of metals.
Answers
1) Their oxides are alkaline in nature so they can resist acids.
2) Metals are very strong, durable and highly resistant to natural wear and tear.
3) Hence, they have been used widely by man since ancient ages.
4) In past, metals were profoundly used for cooking, farming tools, weapons (bow, arrows, swords) and also in locomotive wagons.
5) But with growth in technology, the horizons of their use has widened enormously.
6) The electronic items use metals in their body for different purposes. But one of the key purposes is to facilitate electricity transfer.
7) Modern man has also learned how to use the combination of metals i.e. alloys for his benefit.They have high atomic weights and numbers in the periodic table.
8) Metals like titanium, aluminum, magnesium are widely used in medicine for roles like antacids.
10) Metals like Gold, silver, platinum, copper are widely used in jewelry.
11) Farming requires many metal tools for tilling the soil, cutting, planting the seeds etc.
12) Utensils are best made from metals like steel, aluminum, and copper. Metals also play an important role in security systems.