Home
Class 12
CHEMISTRY
Statement-1:Magnesia and quick lime are ...

Statement-1:Magnesia and quick lime are used as basic flux.
Statement-2:MgO and CaO can withstand very high temperatures.

A

If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are true and Reason is not the correct explanation of Assertion.

C

If Assertion is true and Reason is false.

D

If Assertion is false and Reason is true

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • METALLURGY

    MOTION|Exercise EXERCISE 4 (LEVEL - I)|12 Videos

  • METALLURGY

    MOTION|Exercise EXERCISE 4 (LEVEL - II)|17 Videos

  • METALLURGY

    MOTION|Exercise EXERCISE 2 (LEVEL - II)|37 Videos

  • LIQUID SOLUTION

    MOTION|Exercise EXERCISE-4 (Level-II) PREVIOUS YEAR JEE ADVANCED|19 Videos

  • MOLE CONCEPT

    MOTION|Exercise EXERCISE - 4 LEVEL - II|13 Videos

Similar Questions

Explore conceptually related problems

Statement-1: Peroxo mono sulphuric acid has low basicity. Statement-2: It has one O-O bond.

Statement-1: Fahrenheit is the smallest unit measuring temperature Statement-2: Fahrenheit was the first temperature scale used for measuring temperature

Statement-1. Less is the critical temperature of a gas, more easily it can be liquefied. Statement-2. Critical temperature is the temperature above which a gas cannot be liquiefied applying any amount of pressure.

Statement-1 : Nitrates are not wide spread in the earth's crust. Statement-2 : Nitrate are all very soluble in water.

Statement-1 : Many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperatures. Statement-2: Energy of the system increases with increase in temperature.

Statement-1 : At low pressure and high temperature real gas approaches the ideal gas behaviour. and Statement-2 : At low prossure and high temperature the molecules are negligible.

Statement-1: Be imparts colour to the bunsen flame. Statement-2: Be has very high ionisation energy.

Statement -1: Cyclotron does not accelerate electron. Statement-2: Mass of the electron is very small.

Statement-1: HF is weaker acid than HCl. Statement-2: F^(-) has high hydration energy than Cl^(-)

MOTION-METALLURGY-EXERCISE 3
  1. Railway wagon axles are made by heating rods of iron embedded in charc...

    Text Solution

    |

  2. In the extraction of Cu from its sulphide ore, the metal is formed by ...

    Text Solution

    |

  3. Carnallite on electrolysis gives

    Text Solution

    |

  4. Among the following statements, the incorrect one is

    Text Solution

    |

  5. Match column–I and column–II and select the correct answer using the c...

    Text Solution

    |

  6. Match column–I with column–II and select the correct answer using the ...

    Text Solution

    |

  7. Statement-1:Sulphide ores are concentrated by froth floatation process...

    Text Solution

    |

  8. Statement-1: Platinum and gold occur in native state in nature. Stat...

    Text Solution

    |

  9. Statement-I : Wolframite impurities are separated from cassiterite by ...

    Text Solution

    |

  10. Assertion : In smelting, roasted ore is heated with powdered coke in p...

    Text Solution

    |

  11. Statement-1:Al is used as a reducing agent in aluminothermy. Stateme...

    Text Solution

    |

  12. Assertion : Lead, tin and bismuth are purified by liquation method. ...

    Text Solution

    |

  13. Statement-1: Wolframite impurity is separated from SnO, by magnetic se...

    Text Solution

    |

  14. Ti can be purified by Van Arkel process. TiI(4) is a volatile compou...

    Text Solution

    |

  15. Assertion : CuO can be reduced by C, H2 as well as Co Reason : CuO...

    Text Solution

    |

  16. Assertion : Alkali metals cannot be prepared by the electrolysis of aq...

    Text Solution

    |

  17. Assertion : Magnesium can be prepared by the electrolysis of aq. MgCl2...

    Text Solution

    |

  18. Ti can be purified by Van Arkel process. TiI(4) is a volatile compou...

    Text Solution

    |

  19. Statement-1:Magnesia and quick lime are used as basic flux. Statemen...

    Text Solution

    |

  20. Statement-1:Nickel is purified by the thermal decomposition of nickel ...

    Text Solution

    |