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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
उत्तर
It is a strong reducing agent
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संबंधित प्रश्न
Name the most common ore of the metal aluminium from which the metal is extracted. Write the chemical formula of the ore.
What is rust? Give the equation for the formation of rust ?
State a reason why zinc is used in:
galvanization,
State on what special properties the use of each of these metals depends:
zinc
Name the following:
The kind of welding in which aluminium powder is used.
Give two properties of alloys which are different from constituent metals.
Give composition and uses of the following alloys. Mention the reason for its use.
Solder
The metals zinc and tin are present in the alloy
Explain the following term:
Ore
What is the role of flux in metallurgical processes?
