English

Mention Two Uses of the Following Metals and Non-metals Iron

Advertisements
Advertisements

Question

Mention two uses of the following metals and non-metals  

Iron 

One Line Answer
Advertisements

Solution

It is used to make pipes, tanks, railing, etc.
It is used in the construction of power transmission towers.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Metals and Non-metals - Exercise

APPEARS IN

S.P. Singh Concise Chemistry [English] Class 7 ICSE
Chapter 6 Metals and Non-metals
Exercise | Q 3.1

RELATED QUESTIONS

What is anodising? Give its applications.


In one method of rust prevention, the iron is not coated with anything. Which is this method?


If copper is kept exposed to damp air for a considerable time, it gets a green coating on its surface. This is due to the formation of ______.


State under what conditions corrosion is faster ?


Write scientific reasons.

Lemon or tamarind is used for cleaning copper vessels turned greenish.


The diagram shows the reaction between metal and dil. acid.

What is the reason for different behaviour of Mg in test tube B?


Galvanisation is a process used to prevent the rusting of which of the following?


State whether the following statement is true or false:

Ships suffer a lot of damage though they are painted.


A process of forming a thick oxide of aluminium when aluminium is exposed to air. This coat makes it resistant to corrosion. Resistance can be improved by making a layer of oxide thinker. In this technique, the aluminium article is the anode, and the electrolyte is sulphuric acid. The anode reaction results in the formation of a black-coloured film of aluminium oxide on the anode. By putting appropriate dyes in the electrolytic solution, both coloured surface with the decorative finish is achieved. Kitchen articles like anodised such as pressure cookers, pans and frames of sliding windows are applications of this technique.
  1. Name the anode and electrolyte used in this technique.
  2. How can we make aluminium articles made resistant to corrosion?
  3. Name the technique used to coat the aluminium articles.

Describe two changes that are harmful. Explain why you consider them harmful. How can you prevent them?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×