Advertisements
Advertisements
Question
How will you test that ‘tea dust’ is not adulterated with iron powder?
Advertisements
Solution
We can use a magnet to detect iron powder impurities in tea dust. If there is iron powder in the ‘tea dust’, it will get attracted to the magnet and if there is no iron dust, the magnet will be clear.
APPEARS IN
RELATED QUESTIONS
Name the shepherd after which magnet was named.
How can you separate a magnetic substance from a mixture?
At which place on a magnet, its magnetic force is maximum?
Artificial magnets were discovered in Greece.
The magnetic Ore is called as ______.
______ magnets do not have a definite shape.
Magnetites are artificial magnets.
Who invented leading stone?
Paheli and her friends were decorating the class bulletin board. She dropped the box of stainless steel pins by mistake. She tried to collect the pins using a magnet. She could not succeed. What could be the reason for this?
Boojho dipped a bar magnet in a heap of iron filings and pulled it out. He found that iron filings got stuck to the magnet as shown in the following figure.
- Which regions of the magnet have more iron filings sticking to it?
- What are these regions called?
