ICSE ICSE Class 7 - CISCE Question Bank Solutions

Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride  

Salt of silver, such as ________ is used for making photographic films.

Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride 

A solution of a metal in mercury is called ________

Statements given below are incorrect. Write the correct statements : 

Bronze is a mixture of 10% copper, 80% zinc and 10% tin.  

Statements given below are incorrect. Write the correct statements : 

Aluminium is best conductor of electricity.   

Statements given below are incorrect. Write the correct statements : 

Zinc is used for making power transmission wires.  

Write ‘True’ or ‘False’ in front of following statement.  

Brass is an alloy of copper and zinc and has lustrous yellow colour. 

Write ‘True’ or ‘False’ in front of following statement. 

Magnesium is used in making light weight alloys of aluminium. 

Tick (√) the most appropriate answer. 

Graphite is used :

Name a metal which is not malleable : 

Name a metal which is best conductor of electricity :  

State two important uses of following metal: 

Uses of gold  

State two important uses of following metal: 

Uses of silver  

State two important uses of following metal. 

Uses of copper  

State two important uses of following metals: 

Uses of iron   

State two important uses of following metal 

Uses of tin  

State two important uses of following metal: 

Uses of zinc  

State two important uses of following metal:

Uses of aluminium

State two important uses of following metal 

Uses of lead     

State two important uses of following metal 

Uses of magnesium  

State two important uses of following metal

Uses of mercury