मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

State Two Important Uses of Following Non-metal Uses of Graphite - Chemistry

Advertisements
Advertisements

प्रश्न

State two important uses of following non-metal 

Uses of graphite  

टीपा लिहा

उत्तर

Uses of graphite :

  • Graphite is used as pencil lead.
  • It is used as a dry lubricant because it is extremely soft and does not bum even at high temperature.
shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Metals and Non-metals - Additional questions 2

APPEARS IN

सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Additional questions 2 | Q 6.5

संबंधित प्रश्‍न

Give an example of a metal which is the best conductor of heat.


Fill in the blanks:

Iron is ________ reactive than copper.


Can you store lemon pickle in an aluminium utensil? Explain.


Name one metal and one non-metal which exist in liquid state at room temperature.


Name two metals which are used for making electric wires.


Name a non-metal that a good conductor of heat and electricity 


Name a non-metal that is hardest naturally occurring substance  


Name the metals present in the following alloys 

Bronze 


Name the metals present in the following alloys  

Stainless steel   


Name a metal which is lighter than water : 


Name:

a non-metal with high m.p & b.p


Name:

Two metals which are liquid at room temperature


Give the effect of heat on metal oxides based on the activity series ?


Explain the term  Gangue .


Complete the statement given below, by filling in the blank with the correct word:

A non-metal that leaves a mark on paper _______


Give reason for the following:

Rusting reduces the structural strength of iron.


Select the appropriate option for the following statement:

The element from the halogen family which is most abundant


State whether the statement given below is true or false. If false write the correct statement.

Lead pencils contain lead.


Match the columns.

Group A Group B
1. Making sheets of metals a) Sonority
2. Making metal utensils b) Malleability
3. Making Copper wires c) Good conductor of heat
4. Making bells from metal d) Ductility

The atomic number of an element ‘X’ is 12. Which inert gas is nearest to X?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×