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Name the type of reactions for the follo...

Name the type of reactions for the following chemical equations.
`3Fe+underset(("steam"))(4H_(2)O)hArrFe_(3)O_(4)+4H_(2)`

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K_(rho) for the following reaction will be equal to 3Fe(s)+4H_(2)O(g)hArrFe_(3)O_(4)(s)+4H_(2)(g)

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When steam is passed over hot iron, hydrogen is liberated and Fe_(3)O_(4) is formed according to the chemical equation 3 Fe + 4 H_(2)O to Fe_(3)O_(4) + 4 H_(2)(g) . In a typical reaction, 56 g iron was consumed. Calculate the following: The mass of Fe_(3)O_(4) formed. (R.A.M. : H = 1, O = 16, Fe = 56)

When steam is passed over hot iron, hydrogen is liberated and Fe_(3)O_(4) is formed according to the chemical equation 3 Fe + 4 H_(2)O to Fe_(3)O_(4) + 4 H_(2)(g) . In a typical reaction, 56 g iron was consumed. Calculate the following: The volume of H_(2) liberated at STP (when molar volume of H_(2) " is " 22.4 L )

ICSE-SPECIMEN PAPER 2-SECTION -II
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  8. Give the test of the gas evolved when dilute sulphuric acid is added t...

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  9. Give the test of the gas evolved when dilute sulphuric acid is added t...

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  11. Give an example of a reaction where heat is released.

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  12. Name the substances responsible for permanent hardness

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  13. Explain one method of removing permanent hardness.

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  16. Explain why : Fused CaCl2 or conc. H2SO4 is used in a desiccator.

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  17. Explain why? conc. sulphuric acid should be stoppered.

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