Alloys are defined as homogeneous mixtures of two or more elements or metal and non metal. An alloy is formed by melting the metal and then it dissolves in the other elements. For example, steel is an example of alloy iron and carbon.
Alloys are defined as homogeneous mixtures of two or more elements or metal and non metal. An alloy is formed by melting the metal and then it dissolves in the other elements. For example, steel is an example of alloy iron and carbon.
Metals from its oxide obtained from reduction. Metal oxide is reduced by this process, metal oxides are reduced by using suitable reducing agents such as carbon or by highly reactive metals to displace the metals from their oxides. Example, On treating zinc oxide with carbon it reduces to metallic zRead more
Metals from its oxide obtained from reduction. Metal oxide is reduced by this process, metal oxides are reduced by using suitable reducing agents such as carbon or by highly reactive metals to displace the metals from their oxides.
Example, On treating zinc oxide with carbon it reduces to metallic zinc.
Manganese dioxide is reduced to manganese when treated with aluminium powder, so aluminium displaces manganese from its oxide.
Oxides of more reactive metals are reduced by electrolysis.
Gold, Silver are the metals that are found in free stable because these metals are least reactive, so they are present at the bottom of the reactivity series.
Gold, Silver are the metals that are found in free stable because these metals are least reactive, so they are present at the bottom of the reactivity series.
(i) Mineral: Minerals are the substances that are rich in particular metals and their composition is fixed. (ii) Ore: Minerals from which particular metals can be extracted profitably are known as ores. (iii) Gangue: The impurities like sand, silt, soil, gravel, etc. present in the ore are called gaRead more
(i) Mineral: Minerals are the substances that are rich in particular metals and their composition is fixed.
(ii) Ore: Minerals from which particular metals can be extracted profitably are known as ores.
(iii) Gangue: The impurities like sand, silt, soil, gravel, etc. present in the ore are called gangue.
What are alloys?
Alloys are defined as homogeneous mixtures of two or more elements or metal and non metal. An alloy is formed by melting the metal and then it dissolves in the other elements. For example, steel is an example of alloy iron and carbon.
Alloys are defined as homogeneous mixtures of two or more elements or metal and non metal. An alloy is formed by melting the metal and then it dissolves in the other elements. For example, steel is an example of alloy iron and carbon.
Which metals do not corrode easily?
Metal present at the bottom of reactivity series like gold, platinum are least reactive hence they do not corrode.
Metal present at the bottom of reactivity series like gold, platinum are least reactive hence they do not corrode.
What chemical process is used for obtaining a metal from its oxide?
Metals from its oxide obtained from reduction. Metal oxide is reduced by this process, metal oxides are reduced by using suitable reducing agents such as carbon or by highly reactive metals to displace the metals from their oxides. Example, On treating zinc oxide with carbon it reduces to metallic zRead more
Metals from its oxide obtained from reduction. Metal oxide is reduced by this process, metal oxides are reduced by using suitable reducing agents such as carbon or by highly reactive metals to displace the metals from their oxides.
Example, On treating zinc oxide with carbon it reduces to metallic zinc.
Manganese dioxide is reduced to manganese when treated with aluminium powder, so aluminium displaces manganese from its oxide.
Oxides of more reactive metals are reduced by electrolysis.
Name two metals which are found in nature in the free state.
Gold, Silver are the metals that are found in free stable because these metals are least reactive, so they are present at the bottom of the reactivity series.
Gold, Silver are the metals that are found in free stable because these metals are least reactive, so they are present at the bottom of the reactivity series.
Define the following terms.
(i) Mineral: Minerals are the substances that are rich in particular metals and their composition is fixed. (ii) Ore: Minerals from which particular metals can be extracted profitably are known as ores. (iii) Gangue: The impurities like sand, silt, soil, gravel, etc. present in the ore are called gaRead more
(i) Mineral: Minerals are the substances that are rich in particular metals and their composition is fixed.
(ii) Ore: Minerals from which particular metals can be extracted profitably are known as ores.
(iii) Gangue: The impurities like sand, silt, soil, gravel, etc. present in the ore are called gangue.