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What is the Action of Water on Aluminium ? Write Equation of the Chemical Reaction Involved. - Science

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प्रश्न

What is the action of water on aluminium ? Write equation of the chemical reaction involved.

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उत्तर

Aluminium does not react with cold water. But it reacts with steam to form aluminium oxide and hydrogen gas.
   2Al(s) + 3H2O(g) → Al2O3(s) +  3H2(g)

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३४]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 54.3 | पृष्ठ १३४

संबंधित प्रश्‍न

Name the following:
Metals which forms an amphoteric oxide.


Write equations for the reactions of iron with steam. 


From amongst the metals sodium, calcium aluminium, copper and magnesium, name the metal:
(i) which reacts with water only on boiling, and
(ii) another which does not react even with steam.


Name two metals which form amphoteric oxides.


A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?


Name the metal which has been placed at the top of the reactivity series.


Name the metal which has been placed just below copper in the reactivity series.


Complete and balance the following equation:

Na  +  O2 →


Complete and balance the following equation:

Cu (NO3)2 (aq)  +  Zn(s)  →

 


Which of the following elements would yield a basic oxide.

Na, S, C, K, H


What type of oxides are formed when metals combine with oxygen? Explain with the help of an example.


 What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.


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.


One of the following is not a neutral oxide. This is:
(a) CO
(b) H2O
(c) N2O
(d) Na2O


Out of aluminium, copper, calcium and tin, the most reactive metal is:
(a) aluminium
(b) copper
(c) tin
(d) calcium


An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be:
(a) S
(b) Ca
(c) C
(d) Ag


State and explain the reaction, if any, of the following metals with a solution of copper sulphate:
(a) Gold
(b) Copper
(c) Zinc
(d) Mercury


What are noble gases


Write a chemical equation to illustrate the use of aluminium for joining cracked railway lines.


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