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Questions
Write equations for the reactions of iron with steam.
Write an equation of the reaction of iron with steam. Indicate the physical states of all the reactants and products.
Write balanced equation for the reaction of the following:
Iron with steam
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Solution
\[\ce{3Fe_{(s)} + 4H2O_{(g)} -> Fe2O4_{(aq)} + 4H2_{(g)}}\]
RELATED QUESTIONS
Metal A has electronic configuration (2, 8, 1) and metal B has (2, 8, 8, 2). Which is more reactive? Why? Identify these metals.
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The reaction of an iron nail with copper sulphate solution is ........... reaction.
(a) Combination
(b) Displacement
(c) Double displacement
(d) Decomposition
A student added few pieces of aluminium metal to two test tubes A and B containing aqueous solutions of iron sulphate and copper sulphate. In the second part of her experiment, she added iron metal to another test tubes C and D containing aqueous solutions of aluminium sulphate and copper sulphate.
In which test tube or test tubes will she observe colour change? On the basis of this experiment, state which one is the most reactive metal and why.
Name the metal which has been placed at the bottom of the reactivity series.
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Blue colour of copper sulphate solution is destroyed when iron filings are added to it.
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Na + O2 →
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What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with water.
Write the equation for the reaction of Zinc with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
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(a) Gold
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If A, B, C, D, E, F, G, H, I, J and K represent metals in the decreasing order of their reactivity, which one of them is most likely to occur in a free state in nature?
Rewrite the following statement by selecting the correct option.
A solution of Al2(SO4)3 in water is _____________.
Explain the following:
Reactivity of aluminium decrease if it is dipped in nitric acid.
A cable manufacturing unit tested few elements on the basisof their physical properties.
| Properties | W | X | Y | Z |
| Malleable | Yes | No | No | Yes |
| Ductile | Yes | No | No | Yes |
| Electrical conductivity | Yes | Yes | Yes | No |
| Melting Point | High | Low | Low | High |
Which of the above elements were dicarded for usage by the company?
Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?
