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प्रश्न
Fill in the following blank with suitable word:
The non-metal present in steel is ............
उत्तर
The non-metal present in steel is carbon.
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संबंधित प्रश्न
In the extraction of aluminium: Draw the diagram for the extraction of aluminium.
Name one metal which is extracted by reduction with carbon.
Describe with one example, how moderately reactive metals (which are in the middle of reactivity series) are extracted.
An ore of manganese metal is:
(a) bauxite
(b) haematite
(c) cuprite
(d) pyrolusite
An element has its electron configuration as 2,8,8,2. Now answer the following questions.
a) What is the atomic number of this element?
b) What is the group of this element?
c) To which period does this element belong?
What is meant by concentration of ores?
Choose the correct answer from the options given below:
The metal is a liquid at room temperature.
choose the most appropriate term to match the given description.
Heating of the ore in the absence of air to high temperature
Find the odd one out and give its explanation.
Which of the following metals exist in their native state in nature?
(i) Cu
(ii) Au
(iii) Zn
(iv) Ag
