Advertisements
Advertisements
Question
Give two properties of alloys which are different from constituent metals.
Solution
The properties of alloys which are different from constituent metals are:
1. Alloys are stronger and harder than the metals of which they are made.
2. Alloys are more resistant to corrosion.
APPEARS IN
RELATED QUESTIONS
State two conditions necessary for rusting of iron ?
How does aluminum react with the Acid ?
State the use of:
cast iron
Name an alloy of zinc used in naval ships.
Give the name and formula of an ore of zinc.
Reduction of the zinc compound which is the product of above reaction.
What is added to steel to make it stainless steel?
Define and explain the meaning of the term ore.
List 1 contains the meta ls I alloys (1, 2, 3, 4, 5 ) and list 2 contains their uses (A, B, C, D, E).
| List 1 Metal/Alloy |
List 2 Uses |
| 1. Aluminium | A. Steel making |
| 2. Lead | B. aeroplane wings |
| 3. Brass | C. galvanizing |
| 4. Iron | D. radiation shield |
| 5. Zinc | E. electricaI fittings |
Copy and complete the following table, write down the correct letter against the numbers representing metals. An answer may be used only once. The first has been done for you.
| Metal | 1 | 2 | 3 | 4 | 5 |
| Use | B |
Find the odd one out of the following and explain your choice : Copper, Lead, Zinc, Mercury
Brass is an alloy of ______.
