Advertisements
Advertisements
Question
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
Options
True
False
Advertisements
Solution
True.
APPEARS IN
RELATED QUESTIONS
Fill in the following blanks with suitable words:
A metal having low melting point is ..................... but a non-metal having very high melting point is ..............
Fill in the following blank with suitable word:
The alloy in which one of the metals is mercury is called an ...............
Mention two uses of the following metals and non-metals
Oxygen
A metal which is neither ductile nor malleable is
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A solution of a metal in mercury is called ________
State two important uses of following metal
Uses of tin
State two important uses of following metal:
Uses of zinc
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Write name of any element present in the same group as X
What is it made from? Why?
A pair of tongs.
Give a reason why a green deposit is seen on the surface of an article of copper
Name the following:
A metal used in flexible pipes.
Complete the following flow chart.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
Which of the following is not a metal?
Which of the following metals can displace the other two metals from their salt solutions?
All gases are ______.
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
Why are metalloids called semimetals?
