Advertisements
Advertisements
Question
Write an equation for the reaction of:
Magnesium with oxygen
Advertisements
Solution
\[\ce{\underset{(Metal)}{\underset{Magnesium}{2Mg_{(s)}}} + \underset{(From air)}{\underset{Oxygen}{O2_{(g)}}} -> \underset{(Basic oxide)}{\underset{Magnesium oxide}{2MgO_{(s)}}}}\]
APPEARS IN
RELATED QUESTIONS
A solution of CuSO4 in water is .................... in colour.
(a) Pink
(b) Blue
(c) Colourless
(d) Green
‘E’ is an element which reacts with oxygen to form an oxide E2O. An aqueous solution of E2O turns red litmus blue, so:
i. What is the nature of oxide E2O ?
ii. Write the name of element ‘E’.
What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?
A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?
The white powder formed when magnesium ribbon burns in oxygen is of ______.
What is the nature of the oxide Na2O? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.
How do metals react with hydrogen? Explain with an example.
Why does aluminium not react with water under ordinary conditions?
Why is white phosphorus kept immersed under water?
Give one example, with equation, of the displacement of hydrogen by a metal from an acid.
Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with water.
The least reactive metal among the following is:
(a) sodium
(b) silver
(c) copper
(d) lead
An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be:
(a) S
(b) Ca
(c) C
(d) Ag
Choose the correct alternative and rewrite the following:
Reaction of iron nails whith copper sulphate solution is an example of _____________________
Where does the metal aluminium, used in the thermit process, occurs in the reactivity series of metals?
Write the chemical equation for the following reaction:
Manganese dioxide is heated with aluminum powder.
Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?
Find the odd one out:
