Advertisements
Advertisements
Question
State why telegraph poles are painted with aluminium paint.
Advertisements
Solution
Aluminium paint is applied on telegraph poles because it act as an anti corrosive paint.
APPEARS IN
RELATED QUESTIONS
State one use of the following metal:
Gold
Give the composition of an alloy called solder. State its one property and one use.
Mention two uses of the following metals and non-metals
Iodine
State two important uses of following metals:
Uses of iron
What is it made from? Why?
Electric cables
What is it made from? Why?
Ornaments
With reference to the following metals state their use in daily life metal:
iron
With reference to the following metals state their use in daily life metal:
Aluminium
With reference to the following metals state their use in daily life metal:
Silver
Give a reason why a green deposit is seen on the surface of an article of copper
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
Write the name.
Two highly reactive metals-
Which one of the following is an example for a metal?
Compare the properties of metals and nonmetals. Give three examples for each.
Can you store pickle in an aluminium utensil? Give reason.
The most abundant metal in the earth’s crust is ____________.
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.
Metals and non–metals are used for making ______, ______ and ______.
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
