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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Fill in the Blank Tungsten Metal is a Poor Conductor Of ................ - Chemistry

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प्रश्न

Fill in the blank 

Tungsten metal is a poor conductor of _______

रिक्त स्थान भरें

उत्तर

Tungsten metal is a poor conductor of heat.

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अध्याय 6: Metals and Non-metals - Objective type questions

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 6 Metals and Non-metals
Objective type questions | Q 1.3

संबंधित प्रश्न

Give an example of a metal which is a poor conductor of heat.


Fill in the blanks:

Metals are ________ conductors of heat and _________.


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


Name a non-metal that is hardest naturally occurring substance  


Name a non-metal that is liquid at room temperature   


Fill in the blank 

A chemical compound that makes up the striking heads of match sticks is ......................... 


The noble gas used in advertising signboards is 


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

Graphite is used in making filaments of electric bulb.  


 What do you understand by the term metal? 


Name a non-metal which is good conductor of electricity.  


State two important uses of following non-metals  

Uses of nitrogen  


`M+ HCl →  MCl_2 +—`  


Name:

the most abundant metal and the most abundant non=metal


Make pairs of substances and their properties

Substance Property
a. Potassium bromide (KBr) 1. Combustible
b. Gold 2. Soluble in water
c. Sulphur 3. No chemical reaction
d. Neon 4. High ductility.

Explain the term Minerals.


Distinguish between the physical properties of metals and non-metals with reference to:

(a) lusture (b) malleability (c) ductility (d) tensile strength (e) sonority (f) conduction of heat and electricity (g) melting and boiling point (h) density.


Select the appropriate option for the following statement:

The element which shows properties of both metals and non-metals.


Identify who I am!

Carbon allotropes- _______


Match the following:

1. Non-metals a. Silicon
2. Metals b. fire extinguisher
3. Metalloids c. dull and soft
4. Oxygen d. hard and shiny
5. Water e. supports fire

The metal is stored in kerosene ______.


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