Reaction with oxygen of metals.

Academic Chemistry NCERT Class 8

Oxygen reacts with Metals to give Metal Oxides through oxidation of Metals.

Eg: iron reacts with oxygen in the air to give a reddish-brown oxide, iron (III)oxide. This is known as Rusting.

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Updated on: 10-Oct-2022

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Explain The Reaction Of Non Metals With Oxygen With An Example
What type of oxides are formed:(a) when metals combine with oxygen?(b) when non-metals combine with oxygen?
What will be the chemical reaction of metals with non-metals?
Write equation for the reaction of:(a) Sodium with oxygen (b) Magnesium with oxygen
Write a word equation for the reaction of magnesium with oxygen.
What type of oxides are formed when non-metals combine with oxygen?
(a)What type of oxides are formed when non-metals react with oxygen? Explain with an example.(b)What type of oxides are formed when metals combine with oxygen? Explain with the help of an example.
Balance the following chemical reaction-Fe + O2 + H2O ------> ?(Iron) + (Oxygen) + (Water)Mg + O2 ------> ?(Magnesium) + (Oxygen)
A set of metals in order of their increasing chemical reactivity is given below : silver, copper, lead, iron, zinc, magnesium and sodium.Which of the above metals is stored in kerosene ?Which metals will react with cold water ?Which gas will be liberated when metals react with cold water ?Which of the metals will react with oxygen when heated ?Which of the metals become black in the presence of hydrogen sulphide ?
Compare the properties of metals and non-metals in terms of sonority, high melting and boiling point, lustrous, reaction with dilute acid, hardness, state. Also write the exceptional cases.
(a) Define non-metals. Give five examples of non-metals.(b) Name a non-metal which conducts electricity. (c) Name a non-metal having lustre (shining surface). (d) Name a non-metal which is extremely hard. (e) How do non-metals react with oxygen? Explain with an example. Give equation of the reaction involved. What is the nature of the product formed ? How will you demonstrate it?
A metal M does not liberate hydrogen from acids but reacts with oxygen to give a black colour product. Identify M and black coloured product and also explain the reaction of M with oxygen.
Name two metals, which can form hydrides with metals.
Does sodium react with oxygen?
Elements with valency 1 are(a) always metals(b) always metalloids(c) either metals or non-metals(d) always non-metals

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