Home
Class 12
CHEMISTRY
A mineral is called an ore if:...

A mineral is called an ore if:

A

the metal present in the mineral is costly

B

a metal cannot be extracted from it

C

a metal can be profitably extracted from it

D

None of these

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SELF ASSESSMENT PAPER 02

    ICSE|Exercise QUESTIONS |39 Videos

  • SELF ASSESSMENT PAPER 1

    ICSE|Exercise QUESTIONS|43 Videos

Similar Questions

Explore conceptually related problems

The upward movment of sap that contains water and minerals is called …………...of sap

A mineral is usually associated with a large amount of unwanted material called :

A mineral is usually associated with a large amount of unwanted material called :

Minerals are absorbed in

Which of the following is correct regarding mineral ions absorption in plants? (a) Most of the mineral ions are absorbed passively and actively absorbed (b) Most of the mineral ions are absorbed passively (c) All the mineral ions are actively absorbed (d) All the mineral ions are passively absorbed

Carnallite is an ore of

Mineral oil is

Every mineral is an ore, but every ore is not a mineral.

Differentiate between a mineral and an ore.

Write one difference between a mineral and an ore.

ICSE-SELF ASSESSMENT PAPER 03-QUESTIONS
  1. Reaction of which among the following ethers with HI in cold leads to ...

    Text Solution

    |

  2. Toluene react with a halogen in the presence of iron (III) chloride gi...

    Text Solution

    |

  3. A mineral is called an ore if:

    Text Solution

    |

  4. The solubility of a gas varies directly with pressure of the gas is b...

    Text Solution

    |

  5. Match the following (i) Acetophenone-mol L^(-1) (ii) Coagulation-S...

    Text Solution

    |

  6. Arrange the following in an incrasing order of absic strength in water...

    Text Solution

    |

  7. What is the electronic cofiguration of charomium atom (z= 24) Give re...

    Text Solution

    |

  8. What type of isomersism is exhibited by the following pairs opf compou...

    Text Solution

    |

  9. A 10% solution of sucrose (molar mass 342) is isotonic with 1.754% sol...

    Text Solution

    |

  10. What will be the effect of temperature on rate constant ?

    Text Solution

    |

  11. Which one of the following is a food preservative : equanil, morphine,...

    Text Solution

    |

  12. For the reaction R to P, the concentration of a reactant changes from ...

    Text Solution

    |

  13. What will be the major product obtained when 2-bromobutane reacts with...

    Text Solution

    |

  14. Write the structures of the three compounds which have the same molec...

    Text Solution

    |

  15. Explain why : (i) Glucose is soluble in water but cyclohexane is not...

    Text Solution

    |

  16. Conversion of Acetaldehyde into isopropyl alcohol

    Text Solution

    |

  17. Give one chemical test each to distinguish between the following pairs...

    Text Solution

    |

  18. For the reaction: 2A+Bto A(2)B the rate = k[A][B]^(2) with k = 2.0...

    Text Solution

    |

  19. 18 g glucose, C6H12O6 (Molar Mass = 180 g mol^(-1)) is dessolved in 1...

    Text Solution

    |

  20. What is a semiconductor ? Describe the two main types of semiconductor...

    Text Solution

    |