Advertisements
Advertisements
Question
Name the following:
A halogen which is a solid at room temperature.
Advertisements
Solution
Iodine
APPEARS IN
RELATED QUESTIONS
Which property of graphite is utilised in making electrodes?
State one use of the following metal:
Iron
State one use of the following metal:
Silver
Give reasons
Gold is mixed with copper and nickel.
A metal which is neither ductile nor malleable is
Name a metal which is not malleable :
State two important uses of following metal:
Uses of gold
State two important uses of following metal:
Uses of aluminium
State the position of the following in the periodic table:
Alkaline earth metals
State the position of the following in the periodic table:
Iron and zinc
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
Write name.
The reagent that dissolves noble metals.
What was Mendeleev's basis for the classification of elements?
Give a reason why a green deposit is seen on the surface of an article of copper
Halogen reacts with acid.
Compare the properties of metals and nonmetals. Give three examples for each.
Metals have high melting points.
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
Which metals are liquid at room temperature?
