Advertisements
Advertisements
प्रश्न
What happens when Dilute sulphuric acid is poured on a copper plate?
Write word equations of the reactions involved.
Advertisements
उत्तर
When dilute sulphuric acid is poured on a copper plate, there will be evolution of hydrogen gas along with the formation of blue color crystals of coppersulphate.
Cu + H2SO4 → CuSO4 + H2
संबंधित प्रश्न
What happens when Iron nails are placed in copper sulphate solution?
Write word equations of the reactions involved.
Give a reason for the following:
Alkali metals are good reducing agents.
Name a metal which is not malleable :
With reference to the following metals state their use in daily life metal:
Silver
Give a reason why a green deposit is seen on the surface of an article of copper
Name the following:
The most reactive halogen.
Aluminium: _______: gold : : electric insulator
Complete the following flow chart.
The metal can be cut with a knife ______.
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
