Name two metals which are found in nature in the free state.
Name two metals which are found in nature in the free state.
The metals at the bottom of the reactivity series are mostly found in free state. For example: gold, silver, and platinum.
Similar Questions
Give reasons : Platinum, gold and silver are used to make jewellery.
Give reasons : Platinum, gold and silver are used to make jewellery.
What type of oxides are formed when non-metals combine with oxygen?
What type of oxides are formed when non-metals combine with oxygen?
Give reasons : Carbonate and sulphide ores are usually converted into oxides during the process of extraction.
Give reasons : Carbonate and sulphide ores are usually converted into oxides during the process of extraction.
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
Metal
Zinc
Magnesium
Copper
Zinc oxide
-
-
-
Magnesium oxide
-
-
-
Copper oxide
-
-
-
In which cases will you find displacement reactions taking place ?
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
| Metal | Zinc | Magnesium | Copper |
| Zinc oxide | - | - | - |
| Magnesium oxide | - | - | - |
| Copper oxide | - | - | - |
In which cases will you find displacement reactions taking place ?
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute $H_2SO_4$.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute $H_2SO_4$.