Advertisements
Advertisements
Question
Which of the following are amphoteric oxides:
MgO, ZnO, P2O3, Al2O3, NO2
Solution
ZnO and Al2O3 are the amphoteric oxides.
APPEARS IN
RELATED QUESTIONS
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Coal can be drawn into wires. ( )
Why are metals used for making cooking vessels?
"Is malleable and ductile". This best describes:
(a) a metal
(b) a compound
(c) a non-metal
(d) a solution
Name a metal used in making electric cables
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Basic oxide………..
Give the balanced reactions for the following:
Magnesium reacts with boiling water
Identify the odd term.
With reference to the physical properties of metals and non-metals, state the following exception.
A non-metal which has low tensile strength
Identify who I am!
Carbon allotropes- _______
Paheli bought a statue made up of copper. To her surprise, it acquired a dull green coating after a couple of months. Explain the reason.
