Advertisements
Advertisements
प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Advertisements
उत्तर
A metal can displace a less reactive metal from its salt in an aqueous solution. But zinc is more reactive than copper. Therefore, copper cannot displace zinc from its salt solution.
Cu(s) + ZnSO4 (aq) → No reaction
संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Sodium is a very reactive metal. ( )
State one use of the following metal:
Mercury
The electrical conductivity and melting point of an alloy is ______ than that of pure metals.
What elements are present in steel?
State two important uses of following metal
Uses of lead
State the position of the following in the periodic table:
Iron and zinc
Name the following:
A metal used in packaging.
The minerals from which the metal can be separated economically are called _______.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
