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
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’.
Name the metal which has been placed just below copper in the reactivity series.
Complete and balance the following equation:
\[\ce{Na + O2 ->}\]
Calcium is a ______ reactive metal than sodium.
Which of the following elements would yield a basic oxide?
Na, S, C, K, H
Explain why, metals usually do not liberate hydrogen gas with dilute nitric acid.
A copper plate was dipped in AgNO3 solution. After certain time, silver from the solution was deposited on the copper plate. State the reason why it happened. Give the chemical equation of the reaction involved.
Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.
What special name is given to substances like aluminium oxide?
What happens when a metal reacts with dilute hydrochloric acid? Explain with the help of an example.
Write the equation for the reaction of:
Iron with dilute hydrochloric acid.
Name the products formed in the given case. Also indicate the physical states of all the substances involved.
One of the following is not a neutral oxide. This is:
An element X forms two oxides XO and XO2. The oxide XO is neutral but XO2 is acidic in nature. The element X is most likely to be ______.
The elements whose oxides can turn litmus solution blue are ______.
A zinc plate was kept in a glass container having CuSO4 solution. On examining it was found that the blue colour of the solution is getting lighter and lighter. After a few days, when the zinc plate was taken out of the solution, a number of small holes were noticed in it. State the reason and give chemical equation of the reaction involved.
What is the characteristic of the electronic configuration of noble gases?
Write the chemical equation for the following reaction:
Manganese dioxide is heated with aluminum powder.
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)?
Why is acidified water considered to be a good conductor of electricity?
