Advertisements
Advertisements
प्रश्न
In a solution of lead acetate, a strip of metal M was dipped. After some time, lead from the solution was deposited on the metal strip. Which metal is more reactive, M or lead?
Advertisements
उत्तर
The metal M is more reactive than lead because it displaces lead from a lead acetate solution, a reaction that can occur only with an element more reactive than lead.
APPEARS IN
संबंधित प्रश्न
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be ______.
Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).
A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?
What will happen if a strip of copper is kept immersed in a solution of silver nitrate (AgNO3)?
How do metals react with hydrogen? Explain with an example.
Name two metals which cannot displace hydrogen from dilute acids.
Why is white phosphorus kept immersed under water?
Name another metal oxide which behaves like aluminium oxide.
Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?
Out of aluminium, copper, calcium and tin, the most reactive metal is ______.
The metals which can produce amphoteric oxides are ______.
An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be ______.
An element E forms an oxide E2O. An aqueous solution of E2O turns red litmus paper blue.
- What is the nature of the oxide E2O?
- State whether element E is a metal or a non-metal.
- Give one example of an element like E.
Name a metal which It does not react with any physical state of water?
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
Which one among the following is an acidic oxide?
Find the odd one out:
Why is acidified water considered to be a good conductor of electricity?
