मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation. ZnA(s)+HA2SOA4⟶ZnSOA4A(s)+HA2A(g) - Chemistry

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प्रश्न

Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.

\[\ce{Zn_{(s)} + H2SO4 -> ZnSO4_{(s)} + H2_{(g)}}\]

पर्याय

  • Combination

  • Decomposition

  • Displacement

  • Precipitation

  • Neutralization

MCQ
रासायनिक समीकरणे/रचना
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उत्तर

The given reaction is a displacement reaction.

\[\ce{Zn_{(s)} + H2SO4 -> ZnSO4_{(s)} + H2_{(g)}}\]

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Chemical Reactions - Exercise 2 [पृष्ठ ८५]

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सेलिना Concise Chemistry [English] Class 8 ICSE
पाठ 6 Chemical Reactions
Exercise 2 | Q 2. (b) | पृष्ठ ८५

संबंधित प्रश्‍न

What is a decomposition reaction?


State the change in colour observed in following case mentioning the reason:

Silver chloride is exposed to sunlight.


When a green iron salt is heated strongly, its colour finally changes to brown and odour of burning sulphur is given out.
(a) Name the iron salt.
(b) Name the type of reaction that takes place during the heating of iron salt.
(c) Write a chemical equation for the reaction involved.


Two metals X and Y form the salts XSO4 and Y2SO4, respectively. The solution of salt XSO4 is blue in colour whereas that of Y2SO4 is colourless. When barium chloride solution is added to XSO4 solution, then a white precipitate Z is formed alongwith a salt which turns the solution green. And when barium chloride solution is added to Y2SO4 solution, then the same white precipitate  Z is formed alongwith colourless common salt solution.
(a) What could the metals X and Y be?
(b) Write the name and formula of salt XSO4.
(c) Write the name and formula of salt Y2SO4.
(d) What is the name and formula of white precipitate Z?
(e) Write the name and formula of the salt which turns the solution green in the first case.


Identify the type of following reaction :


Rewrite the following statement by selecting the correct option:
________________ is a decomposition reaction.

Classify the following reaction into – 

  1. Direct combination 
  2. Decomposition
  3. Displacement
  4. Double decomposition

The reaction is – Zinc hydroxide on heating gives zinc oxide and water.


Give a balanced equation for –

An electrolytic decomposition reaction involving a neutral liquid


Chemical volcano is an example of ______ type of reaction.


What is observed when silver chloride is exposed to sunlight? Give the type of reaction involved.


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