Home
Class 10
CHEMISTRY
An element is soft and can be cut with a...

An element is soft and can be cut with a knife. It is very reactive and cannot be kept open in the air. It reacts vigorously with water. The element is most likely to be :

A

`Mg`

B

`S`

C

`P`

D

`Na`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • METALS AND NON-METALS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Type Question|1 Videos

  • METALS AND NON-METALS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Short Answer Type Qustions|1 Videos

  • METALS AND NON-METALS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Solved Problem|1 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    LAKHMIR SINGH & MANJIT KAUR|Exercise QUESTIONS BASED ON HIGH ORDER THINKING SKILLS (HOTS)|1 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    LAKHMIR SINGH & MANJIT KAUR|Exercise VERY SHORT ANSWER TYPE|6 Videos

Similar Questions

Explore conceptually related problems

An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following.

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be -

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be:

An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be:

Element A is hard, mallcable, ductile and react with dilute acids to produce salt and hydrogen is a good conductor of heat and electricity. Element B is soft, brittle and cannot be beaten to form thin sheets is a non-conductor of heat and does not react with dilute acids. Which of these elements is a metal?

LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. An element reacts with oxygen to give a compound with a high melting p...

    Text Solution

    |

  2. Which one of the following four metals would be displaced from the sol...

    Text Solution

    |

  3. An element is soft and can be cut with a knife. It is very reactive an...

    Text Solution

    |

  4. Which of the followig metal exist in the liquid state?

    Text Solution

    |

  5. Which of the following non-metal is a liquid?

    Text Solution

    |

  6. Which of the following pair of reactants can undergo a displacement re...

    Text Solution

    |

  7. An element E forms an oxide E(2)O. An aqueous solution of E(2)O turns ...

    Text Solution

    |

  8. Metal A burns in air, on heating, to form an oxide A(2)O(3) whereas an...

    Text Solution

    |

  9. An element X forms two oxides XO and XO(2). The oxide XO has no action...

    Text Solution

    |

  10. State and explain the reactions, if any, of the following metals with ...

    Text Solution

    |

  11. (a). Give the names and formulae of one metal chloride and one non-met...

    Text Solution

    |

  12. In a solution of lead acetate, a strip of metal M was dipped. After so...

    Text Solution

    |

  13. CuSO(4)(aq)+Fe(s)toFeSO(4)(aq)+Cu(s) FeSO(4)(aq)+Zn(s)toZnSO(4)(aq)+...

    Text Solution

    |

  14. Which of the following reactions will not occur ? Why not ? (a). MgS...

    Text Solution

    |

  15. In nature, metal A is found in a free state while metal B is found in ...

    Text Solution

    |

  16. If A,B,C,D,E,F,G,H,I,J and K represetnt metals in the decreasing order...

    Text Solution

    |

  17. (a). Name a metal for each case : (i). It does not react with cold a...

    Text Solution

    |

  18. A zinc plate was kept in a glass container having CuSO(4) solution. On...

    Text Solution

    |

  19. What is the name of the chemical bond formed: (a). By the sharing of...

    Text Solution

    |

  20. Name a carbon containing molecule which has two double bonds.

    Text Solution

    |