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प्रश्न
What is added to steel to make it stainless steel?
उत्तर
Chromium and nickel is added to steel to make it stainless steel.
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संबंधित प्रश्न
Choose the correct answer from the options given below:
Aluminum powder is used in thermite welding because
A. It is a strong reducing agent
B. It is a strong oxidizing agent
C. It is corrosion resistant
D. It is a good conductor of heat
State two conditions necessary for rusting of iron ?
Also give the names of their repective ores ?
Which process is applied to concentrate ore of zinc?
State on what special properties the use of each of these metals depends:
zinc
Explain the following:
Zinc is used to cover iron so as to prevent rusting of iron. Why?
Complete the statement using every given option.
During the extraction of aluminium.........
Heating the aluminium ore with concentrated caustic soda.
Define the term : Mineral
Explain the following:
Aluminium is extensively used for making aircraft parts.
Bauxite : Aluminium ore : : Cassiterite : _______
