English

Explain the term Minerals. - Science and Technology 1

Advertisements
Advertisements

Question

Explain the term Minerals.

One Line Answer

Solution

The compounds of metals that occur in nature along with the impurities are called minerals.

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Metallurgy - Exercises [Page 109]

APPEARS IN

Video TutorialsVIEW ALL [2]

RELATED QUESTIONS

Write any three differences between metals and non-metals with respect to their physical properties.


Which of the following statements is correct?


Mark ‘T’ if the statement is true and ‘F’ if it is false.

Coal can be drawn into wires. ( )


Name one property which is characteristic of  metals.


The electronic configurations of three elements X, Y and Z are:

X : 2 Y : 2, 8, 7 Z : 2, 8, 2

Which of the following is correct regarding these elements?
(a) X is a metal
(b) Y is a metal
(c) Z is a non-metal
(d) Y is a non-metal and Z is a metal


Name a metal used in making electric cables 


Name a metal used as a thermometric liquid  


Name the metals present in the following alloys 

Duralumin 


Name a metal which can be cut with a knife : 


What do you understand by the term non-metal?  


Name the non-metal present in abundance in the earth's crust.


Name:

the most abundant metal and the most abundant non=metal


Explain how the activity series accounts for each of the following:

reaction with water


Give the balanced reactions for the following:

Sodium is dropped in water


Distinguish between an ore and a metallic compound.


Differentiate between metals and non-metals with reference to –
(a) number of electrons in outer or valence shell
(b) formation of cation and anion
(c) reaction with dilute acids.


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

Lead pencils contain lead.


Identify who I am!

Amphoteric oxide forming metal- _______


Identify who I am!

Metal in Liquid state- _______


Which non-metal is essential for our life and all living beings?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×