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Name the first one-toed horse....

Name the first one-toed horse.

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Lithium is the lightest (density: 0.53g.`cm^(-3)` ) and osmium is the heaviest (density: `22.6 g. cm^(-3))` metal.
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Knowledge Check

  • What is the relation between horse power and watt?

    A
    I horse power= 746 joule /second
    B
    I horse power= 846 joule /second
    C
    I horse power= 946 joule /second
    D
    I horse power= 646 joule /second
    • CHHAYA PUBLICATION-s-BLOCK ELEMENTS -QUESTION-ANSWER ZONE FOR BOARD EXAMINATION (VERY SHORT ANSWER TYPE)
    1. Name the first one-toed horse.

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    2. Which one betwe,n water and pyrene (C Cl4), can be used to extinguish ...

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    3. Which among the alkali metal ions has the lowest mobility in aqueous s...

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    4. Which of the alkali metal cations has the highest polarising power ?

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    5. Density of alkali metals are very low - why ?

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    6. Which out of LiF of LiI is more covalent in naturn.

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    7. What alkali metal carbonate easily liberates CO2 on heating ?

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    8. Which alkali metal chloride imparts violet colour to the bunsen burner...

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    9. Which alkali metal hydride is used as source of hydrogen for filling...

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    10. Name the products formed in the following reaction. Explain LiI + KF t...

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    11. What is water glass ?

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    12. Which alkali metal combines with nitrogen to form the corresponding ni...

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    13. The raw materials used in the manufacture of Na2CO3 by Solvay process ...

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    14. Which out of Na2CO3 solution & NaHCO3 solution, changes the colour of ...

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    15. What is the main ingredient of baking powder?

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    16. Which compound is used to treat the flue gases from coal and oil-fired...

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    17. What are the ingredients of fusion mixture which is used in dry tests ...

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    18. Which is the most abundant alkaline earth metal in the earth's crust?

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    19. Which alkaline earth metal is radioactive in nature?

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    20. Name the metal of group-2 which is used to prepare Grignard reagent.

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