हिंदी

Out of the Following Oxides, the Amphoteric Oxide Is: (A) Fe2o3 (B) Al2o3 (C) P2o5 (D) N2o

Advertisements
Advertisements

प्रश्न

Out of the following oxides, the amphoteric oxide is:
(a) Fe2O3
(b) Al2O3
(c) P2O5
(d) N2O

Advertisements

उत्तर

(b) Al2O3
Al2O3 can react with acids as well as bases to form salt and water.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३५]

APPEARS IN

लखमीर सिंग Chemistry [English] Class 10
अध्याय 3 Metals and Non-metals
Exercise 1 | Q 75 | पृष्ठ १३५

संबंधित प्रश्न

Write equations for the reactions of iron with steam. 


Write the chemical reaction when iron reacts with dilute H2SO4.


Food cans are coated with tin and not with zinc because ______.


Name two metals which form amphoteric oxides.


What will happen if a strip of copper is kept immersed in a solution of silver nitrate (AgNO3)?


Why does aluminium not react with water under ordinary conditions?


Name two metals which cannot displace hydrogen from dilute acids.


Which gas is produced when dilute hydrochloric acid is added to a reactive metal?


What is the action of water on sodium ? Write equation of the chemical reaction involved.


Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.


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:
(a) sulphur
(b) carbon
(c) calcium
(d) hydrogen


An element E forms an oxide E2O. An aqueous solution of E2O turns red litmus paper blue.
(a) What is the nature of the oxide E2O?
(b) State whether element E is a metal or a non-metal.
(c) Give one example of an element like E.


Name a metal which does not react with cold as well as hot water but reacts with steam.


What is the cause of chemical bonding (or chemical combination) of atoms of elements?


What is the characteristic of the electronic configuration of noble gases?


Choose the correct alternative and rewrite the following:

Reaction of iron nails whith copper sulphate solution is an example of _____________________


Write the chemical equation for the following reaction:
Cinnabar is heated in the presence of air.


Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?


Which of the following property is not responsible for copper to be used as electrical conduction wires?


Why is acidified water considered to be a good conductor of electricity?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×