Advertisements
Advertisements
Question
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Advertisements
Solution
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
APPEARS IN
RELATED QUESTIONS
State one use of Mercury.
Give reasons
Aluminium is used in making aircrafts.
Write name.
The device used for grinding an ore.
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
What is it made from? Why?
Electric cables
With reference to the following metals state their use in daily life metal:
Silver
Which of the following property is generally not shown by metals?
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Match the following
| i. | Silica | a. | Caustic potash |
| ii. | Potassium hydroxide | b. | Sand |
| iii. | Sodium hydroxide | c. | Calamine |
| iv. | Zinc carbonate | d. | Caustic soda |
Which metals are not solid at room temperature?
