हिंदी

Write the molecular formulae of the following compound. Fluorspar

Advertisements
Advertisements

प्रश्न

Write the molecular formulae of the following compound.

Fluorspar

एक शब्द/वाक्यांश उत्तर
Advertisements

उत्तर

Fluorspar- CaF2

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 8: Metallugy - Solve the following Questions [पृष्ठ २९]

APPEARS IN

एससीईआरटी महाराष्ट्र Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
अध्याय 8 Metallugy
Solve the following Questions | Q 4 (ii) | पृष्ठ २९

संबंधित प्रश्न

Name one metal which is extracted by:

Electrolytic reduction.


The non-metal present in steel is ______.


Name two metals which occur in nature in free state as well as in combined state.


Define the term mineral.


Define the term ore.


Name two metals which are found in nature mainly in the free state (as metallic elements).


Name the electrode at which aluminium metal is produced.


The metal which can be extracted from pyrolusite ore is ______.


Which metal can be extracted from the following ore?

Haematite


Aluminum is used in thermite welding:

what is thermit?


 Give the chemical formula of : 
Bauxite 


What is meant by refining of metals?


Which one of the following is not true of metal :
Metal will have 1 or 2 or 3 electrons in their valence shell.


Answer the following question :
What is the difference between calcination and roasting.


Froth floatation process is generally used to concentrate ______ ores.


What is the difference between calcination and roasting?


Write the name.

Strongly heating carbonate ores in insufficient air -


Bauxite reacts with sodium hydroxide in the Bayer’s process.


2 mL each of concentrated HCl, HNO3 and a mixture of concentrated HCl and concentrated HNO3 in the ratio of 3 : 1 were taken in test tubes labelled as A, B and C. A small piece of metal was put in each test tube. No change occurred in test tubes A and B but the metal got dissolved in test tube C respectively. The metal could be


Assertion (A): The extraction of metals from their sulphide ores cannot take place without roasting the ore.

Reason (R): Roasting converts sulphide ores directly into metals.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×