Advertisements
Advertisements
Question
Find the odd one out:
Options
Lithium (Li)
Sodium (Na)
Nitrogen (N)
Magnesium (Mg)
Advertisements
Solution
Nitrogen (N)
Explanation:
Because Nitrogen (N) is a non-metal.
APPEARS IN
RELATED QUESTIONS
‘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’.
Show the formation of Na2O by the transfer of electrons.
What will happen if a strip of zinc is immersed in a solution of copper sulphate?
How would you show that silver is chemically less reactive than copper?
Fill in the following blank with suitable word:
Magnesium liberates ............... gas on reacting with hot boiling water.
How do non-metals react with hydrogen? Explain with an example.
Give one example, with equation, of the displacement of hydrogen by a metal from an acid.
Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.
Name one metal more reactive and another less reactive than hydrogen.
One of the following is not a neutral oxide. This is:
(a) CO
(b) H2O
(c) N2O
(d) Na2O
Out of the following oxides, the amphoteric oxide is:
(a) Fe2O3
(b) Al2O3
(c) P2O5
(d) N2O
The metals which can produce amphoteric oxides are:
(a) sodium and aluminium
(b) zinc and potassium
(c) calcium and sodium
(d) aluminium and zinc
State and explain the reaction, if any, of the following metals with a solution of copper sulphate:
(a) Gold
(b) Copper
(c) Zinc
(d) Mercury
In a solution of lead acetate, a strip of metal M was dipped. After some time, lead from the solution was deposited on the metal strip. Which metal is more reactive, M or lead?
CuSO4(aq) + Fe(s) → FeSO4(aq) + Cu(s)
FeSO4(aq) + Zn(s) → ZnSO4(aq) + Fe(s)
On the basis of the above reactions, indicate which is most reactive and which is least reactive metal out of zinc, copper and iron.
What are noble gases
Choose the correct alternative and rewrite the following:
Which of the following is lue in colour?
Which one among the following is an acidic oxide?
Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?
