Home
Class 9
CHEMISTRY
Give reasons : Hydrogen is not used in...

Give reasons :
Hydrogen is not used in balloons inspite of being the lightest gas.

Text Solution

Verified by Experts

Hydrogen is highly inflammable , it forms explosive mixture with air so it cannot be used in balloons even though it is the lightest gas.
Promotional Banner

Topper's Solved these Questions

  • STUDY OF THE FIRST ELEMENT - HYDROGEN

    ICSE|Exercise TOPIC 2 Properties of Hydrogen, Oxidation nd Reduction (2 MARKS QUESTIONS)|14 Videos

  • STUDY OF THE FIRST ELEMENT - HYDROGEN

    ICSE|Exercise TOPIC 2 Properties of Hydrogen, Oxidation nd Reduction (3 MARKS QUESTIONS)|14 Videos

  • STUDY OF THE FIRST ELEMENT - HYDROGEN

    ICSE|Exercise TOPIC 1 Hydrogen and its Laboratory Preparation (5 MARK QUESTIONS)|24 Videos

  • STUDY OF GAS LAWS

    ICSE|Exercise TOPIC 2 (5 Marks Questions ) |18 Videos

  • THE LANGUAGE OF CHEMISTRY

    ICSE|Exercise EXCERCISE 1(C ) (Correct the following statement)|21 Videos

Similar Questions

Explore conceptually related problems

Which is the lightest gas ?

Give reasons : Hydrogen is collected by downward displacement of water.

With reference to the uses of hydrogen, give reasons for the following: a. Hydrogen is not used in air balloons b. A mixture for hydrogen & oxygen on burning, find application inwelding & cutting metals c. Reaction of hydrogen with nitrogen under specific conditions finds industrial utility.

Give reasons Diamond is used as an abrasive.

Give reasons Graphite is used as lubricant.

Helium is used in gas balloons instead of hydrogen because

Give reason Why does the balloon inflate when the bottle is put in hot water?

Give reasons : Inflating balloon seems to violate Boyle.s law.

_______ is used in weather balloons.

Helium is not used to fill gas balloons. True/False

ICSE-STUDY OF THE FIRST ELEMENT - HYDROGEN-TOPIC 2 Properties of Hydrogen, Oxidation nd Reduction (1 MARK QUESTIONS)
  1. Metals like , and give H2 with steam. (iron, magnesium, aluminium, ...

    Text Solution

    |

  2. A metal.. hydrogen in the activity series gives hydrogen with ...........

    Text Solution

    |

  3. By increasing the pressure on the volume of an enclosed gas at constan...

    Text Solution

    |

  4. Helium is preferred to hydrogen for filling balloons because it is :

    Text Solution

    |

  5. Reacting with water, an active metal produces

    Text Solution

    |

  6. Name the following A metal oxide that can be reduced by hydrogen.

    Text Solution

    |

  7. For the reaction PbO + H2 to Pb + H2 O, which of the following stateme...

    Text Solution

    |

  8. Which of the following metals does not liberate hydrogen from acids?

    Text Solution

    |

  9. Select the odd one out and justify your answer. Zn, Fe, Mg and Na

    Text Solution

    |

  10. Select the odd one out and justify your answer. SO2, H2 S, NH3 and C...

    Text Solution

    |

  11. Select odd one and justify your answer : Mg, Zn, Fe, Cu

    Text Solution

    |

  12. Select the odd one out and justify your answer Fe , Pb , Al and Zn

    Text Solution

    |

  13. State whether the following conversions are oxidation or reduction rea...

    Text Solution

    |

  14. State whether the following conversions are oxidation or reduction rea...

    Text Solution

    |

  15. What do you observe when hydrogen gas is passed through soap solution ...

    Text Solution

    |

  16. Concentrated sulphuric acid is not used to dry hydrogen.

    Text Solution

    |

  17. State whether the compounds shown in bold letters are oxidised or red...

    Text Solution

    |

  18. Give reason: For welding of two metallic pieces, an oxyhydrogen flame ...

    Text Solution

    |

  19. Give reasons : Hydrogen is not used in balloons inspite of being the...

    Text Solution

    |

  20. Name : a solid that is an oxidizing agent.

    Text Solution

    |