Home
Class 8
CHEMISTRY
constitutes 90% of all matter in the uni...

____ constitutes 90% of all matter in the universe

Text Solution

Verified by Experts

Hydrogen
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN

    S CHAND IIT JEE FOUNDATION|Exercise QUESTION BANK|73 Videos

  • HYDROGEN

    S CHAND IIT JEE FOUNDATION|Exercise QUESTION BANK (true or false)|18 Videos

  • COMBUSTION AND FLAME

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet-17(Fill in the blanks)|22 Videos

  • METALS AND NON METALS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET|49 Videos

Similar Questions

Explore conceptually related problems

Directions (Q. Nos. 6-10) Items Study the two figures given below and answer the five items that follow. If the Psychology professors in the university constitute 2% of all the professors in the university, then what is the number of professors in the university?

Show that time required for the completion of 99% of the first order reaction is twice the 90% of completion of the reaction.

The cost price of a camera is 90% of its selling price. Find the profit percentage. /

Element that make up 90% of all elements found in living system

In Brazil, 90% of cars are running on

Most ozone gas (about 90%) is located in the atmospheric layer of

S CHAND IIT JEE FOUNDATION-HYDROGEN-SELF ASSESSMENT SHEET
  1. constitutes 90% of all matter in the universe

    Text Solution

    |

  2. Match correctly:

    Text Solution

    |

  3. Balloon 'A' is filled with air and Balloon 'B' is filled with H2 gas. ...

    Text Solution

    |

  4. How is hydrogen prepared in the laboratory?

    Text Solution

    |

  5. What happens when hydrogen burns in air?

    Text Solution

    |

  6. What is oxy-hydrogen flame?

    Text Solution

    |

  7. Hydrogen is a good reducing agent. What do you understand by this stat...

    Text Solution

    |

  8. What would you observe when equal volumes of hydrogen and chlorine are...

    Text Solution

    |

  9. What happens when hydrogen is bubbled through boiling sulphur?

    Text Solution

    |

  10. How is ammonia formed ?

    Text Solution

    |

  11. What is produced when carbon monoxide and hydrogen react in the presen...

    Text Solution

    |

  12. What is a redox reaction ?

    Text Solution

    |

  13. Give equations to express the reaction between steam and red hot iron

    Text Solution

    |

  14. Give equations to express the reaction between calcium and water

    Text Solution

    |

  15. Give equations to express the reaction between steam and red hot coke

    Text Solution

    |

  16. Hydrogen gas will not reduce:

    Text Solution

    |

  17. The most reactive metal according to the metal activity series is

    Text Solution

    |

  18. Which of the following statements is incorrect about hydrogen?

    Text Solution

    |

  19. Which of the following metals does not give hydrogen with acids ?

    Text Solution

    |

  20. On adding water to sodium, the solution formed is

    Text Solution

    |

  21. Write balanced chemical equation only for the reaction of hydrogen wit...

    Text Solution

    |