Question

al Metal oxides are basis oxides. Explain with
help of
an example. (2)
02. Why is Sodium metal stained under
Kerosene 2 (2)
03. Define Displacement Reation. (1)
when a a metal reacts with
a dilute aud? Explain with an exean
05. Why does the colour
does the colour of coppece
change
of coppene sulphate
when an icon chail is dipped
in it? Wenite the the chemical mealtion
is valued? (3)
oy.
What happens
u
emple. (2)​

Answer 1

Answer:

sodium is always stored in kerosene

Explanation:

if it is not stored in kerosene..

if it is stored in water it reacts with water and blasts so it is stored in kerosene....

Answer 2

Answer:

Sodium is highly reactive metal and combines readily with O2 present in air to form oxide, which in turns reacts with mositure to form hydroxide which further reacts with CO2 to form carbonate. Therefore, to prevent the above reaction, sodium metal is kept under kerosene oil.