The table given below shows the reactions of metals with solutions of metal salts
On the basis of the observation, arrange metals J, K and L in order of increasing reactivity and give the reason for your answer.
Metal J
Metal K
Metal L
J sulphate
X
No reaction
No reaction
K sulphate
Displaces K
X
Displaces K
L sulphate
Displaces L
No reaction
X
On the basis of the observation, arrange metals J, K and L in order of increasing reactivity and give the reason for your answer.
Important Questions on Metals and Non-metals
Take a few iron nails and store some of them in an airtight container having silica gel. Leave the rest of the iron nails in a test tube and place them outside in the rainy weather. Observe the iron nails after a week.
a. What will happen to the nails placed in the airtight container and in the test tube?
Take a few iron nails and store some of them in an airtight container having silica gel. Leave the rest of the iron nails in a test tube and place them outside in the rainy weather. Observe the iron nails after a week.
b. Which way would you prefer to keep iron nails?
Discuss four uses of metals and non-metals.
