Home
Class 10
CHEMISTRY
K(2)O, Na(2)O,CaO,Al(2)O(3)...

`K_(2)O, Na_(2)O,CaO,Al_(2)O_(3)`

Answer

Step by step text solution for K_(2)O, Na_(2)O,CaO,Al_(2)O_(3) by CHEMISTRY experts to help you in doubts & scoring excellent marks in Class 10 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • METALLURGY

    CHETAN PUBLICATION|Exercise ASSIGNEMENT -10|1 Videos

  • METALLURGY

    CHETAN PUBLICATION|Exercise ASSIGNEMENT -11|1 Videos

  • METALLURGY

    CHETAN PUBLICATION|Exercise ASSIGNEMENT -8|1 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    CHETAN PUBLICATION|Exercise ASSIGNMENT-3|18 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    CHETAN PUBLICATION|Exercise ASSIGNMENT -2|5 Videos

Similar Questions

Explore conceptually related problems

4 Na +O_(2) to 2Na_(2) O Na_(2) O+ H_(2) O to 2NaOH

The reaction between aluminium and ferric oxide can generate temperatures up to 3273 K and is used in welding metals. ( Atomic mass of Al = 27u , Atomic mass of O = 16u ) 2Al+ Fe_(2)O_(3) rarr Al_(2) O_(3) + 2Fe , If, in this process , 324g of aluminium is allowed to react with 1.12 kg of ferric oxide. (i) Calculate the mass of Al_(2) O_(3) formed. (ii) How much of th eexcess reagent is left iat the end of the reaction ?

Knowledge Check

  • The enthalpies of formation of Al_(2)O_(3) and Cr_(2)O_(3) are - 1596 kJ and -1134 kJ, respectively. Delta H for the reaction 2Al + Cr_(2)O_(3) to 2Cr + Al_(2)O_(3) is

    A
    ` – 1365 kJ `
    B
    2730 kJ
    C
    `– 2730 kJ`
    D
    `– 462 kJ`

  • The enthalpies of formation of Al_(2)O_(3) and Cr_(2)O_(3) " are " -1596 kJ and -1134 kJ, respectively. DeltaH for the reaction. 2Al+Cr_(2)O_(3) rarr2Cr+Al_(2)O_(3) is

    A
    `-1365kJ`
    B
    2730 kJ
    C
    `-2730 kJ`
    D
    `-462 kJ`

  • The enthalpies of formation of AI_(2)O_(3) and Cr_(2)O_(3) are -1596 kJ and -1134 kJ, respectively. DeltaH for reaction 2AI+Cr_(2)O_(3)to2Cr+Al_(2)O_(3) is……...

    A
    `-1365 KJ`
    B
    2730 KJ
    C
    `-2730 KJ`
    D
    `-462 KJ`

    • Similar Questions

    Explore conceptually related problems

    A temperature of about 3000^(@)C is produced when Aluminium reduces ferric oxide and the reaction is given below . 2Al + Fe_(2) O_(3) rarr Al_(2) O_(3) + 2Fe In one process 124g of aluminium reacted with 601g of ferric oxide. (i) Calculate the mass of Al_(2)O_(3) formed. (ii) How much of the excess reagent is left at the end of the reaction ?

    State and explain Doberiner's Triad (ii) Complete the following equation Na_(2)O_(2) + ul(?) rarr Na_(2)SO_(4)+H_(2)O_(3)

    Identify the compound Z in the following reaction C_(2)H_(6)Ooverset(Al_(2)O_(3))underset(623K)(to)Xoverset(O_(3))(to)Yoverset(Zn//H_(2)O)(to)(Z)

    Identify the compound 'Z' in the following reaction: C_(2)H_(6)O overset(Al_(2)O_(3))underset(623 K) to X overset(O_(3)) to Y overset(Zn//H_(2)O) to (Z)

    In the reaction l_(2)+2Na_(2)S_(2)O_(3) to Na_(2)S_(4)O_(6)+2Nal the equivalent weight of oxidant is [M= Molecular weight of oxidant]-

    Home
    Profile