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प्रश्न
Brass is an alloy of:
(a) Cu and Sn
(b) Cu and Pb
(c) Pb and Sn
(d) Zn and Cu
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उत्तर
(d) Zn and Cu
Brass is an alloy of copper and zinc. It comprises of 80 percent copper and 20 percent zinc.
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संबंधित प्रश्न
Tinning : Tin : : Galvanizing : _________
Write two methods of preventing the rusting of iron.
Two methods by which rusting of iron can be prevented are ______ and ______.
Name the metal which is used for galvanising iron.
State two conditions for the rusting of iron.
Fill in the following blanks with suitable words:
............ and .............. are necessary for the rusting of iron.
What are the special properties of stainless steel?
Name a common metal which is highly resistant to corrosion.
A common metal which is highly resistant to corrosion is:
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(b) copper
(c) aluminium
(d) magnesium
Explain how the activity series accounts for each of the following:
tendency to corrosion
Corrosion can be an advantage in some case.Explain ?
Compare roasting and calcination.
Identify the process shown in the diagram and explain it in short
Choose the correct alternative and rewrite the following:
Iron is _____________________.
Answer the following question:
What is corrosion? Do gold ornaments corrode? Justify.
State whether the statement given below is true or false. If false write the correct statement.
Either oxygen or moisture is essential for rusting.
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Write the name.
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Write the name.
Method used to prevent corrosion of copper.
Draw a neat labelled diagram.
Anodizing
