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

Name a Metal That is Brittle - Chemistry

Advertisements
Advertisements

प्रश्न

 Name a metal that is brittle  

एक शब्द/वाक्यांश उत्तर

उत्तर

Zinc

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Metals and Non-metals - Exercise

APPEARS IN

सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Exercise | Q 1.2

संबंधित प्रश्‍न

Why is ammonia gas not collected over water?


Name the most abundant non-metal in the earth's crust.


Name two non-metals which are both brittle and non-ductile.


Name two metals whose melting points are so low that they melt when held in the hand.


 Name a metal that can be cut with knife   


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

Stainless steel is used for making power transmission wires. 


Name a gaseous non-metal,. having greenish yellow colour.  


What is an amalgam? How does an amalgam different from an alloy?  


Give a short account of heating effect on metal carbonates based on the activity series ?


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.

Name the following:
or

With reference to the physical properties of metals and non-metals, state the following exception.

A metal which is liquid at room temperature.


With reference to the physical properties of metals and non-metals, state the following exception.

A non-metal which has low tensile strength


Describe a simple experiment to prove that a copper wire conducts electricity, but a piece of coal does not.


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

The ability of a metal to produce a reasonant sound ______.


Select the appropriate option for the following statement:

The element which is noble gas and radioactive in nature.


Identify who I am!

Carbon allotropes- _______


Oxygen, hydrogen, and sulphur are examples for 


Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?


Paheli bought a statue made up of copper. To her surprise, it acquired a dull green coating after a couple of months. Explain the reason.


Non – metals are ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×