मराठी

Name One Metal Which Displaces Copper from Copper Sulphate Solution and One Which Does Not. - Science

Advertisements
Advertisements

प्रश्न

Name one metal which displaces copper from copper sulphate solution and one which does not.

Advertisements

उत्तर

Zinc is the metal that can displace copper from copper sulphate solution and silver is the metal that does not displace copper from copper sulphate solution.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३५]

APPEARS IN

लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 64.4 | पृष्ठ १३५

संबंधित प्रश्‍न

Write equations for the reactions of calcium and potassium with water.


What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.


Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).


Explain why, the surface of some metals acquires a dull appearance when exposed to air for a long time.


Complete and balance the following equation:

Na2O  +  H2O →


Complete and balance the following equation:


Which of the following elements would yield an acidic oxide.

Na, S, C, K, H


Arrange the following metals in order of their chemical reactivity, placing the most reactive metal first:
Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium.


Name two metals which cannot displace hydrogen from dilute acids.


Name another metal oxide which behaves like aluminium oxide.


What is meant by the reactivity series of metals? Arrange the following metals in an increasing order of their reactivities towards water:
Zinc, Iron, Magnesium, Sodium


The elements whose oxides can turn litmus solution blue are:
(a) carbon and sulphur
(b) sodium and carbon
(c) potassium and magnesium
(d) magnesium and sulphur


What is the cause of chemical bonding (or chemical combination) of atoms of elements?


Choose the correct alternative and rewrite the following:

Which of the following is lue in colour?


Write the chemical equation for the following reaction:
Cinnabar is heated in the presence of air.


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


A cable manufacturing unit tested few elements on the basisof their physical properties.

Properties W X Y Z
Malleable Yes No No Yes
Ductile Yes No No Yes
Electrical conductivity Yes Yes Yes No
Melting Point High Low Low High

Which of the above elements were dicarded for usage by the company?


The substance that will be flattened on beating with a hammer is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×