मराठी

State one characteristic of the chemical reaction which takes place when dilute sulphuric acid is added to barium chloride solution.

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प्रश्न

State one characteristic of the chemical reaction which takes place when dilute sulphuric acid is added to barium chloride solution.

अति संक्षिप्त उत्तर
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उत्तर

When dilute sulphuric acid is added to barium chloride solution, it forms white precipitates of barium sulphate. Hence, this reaction is characterised by formation of precipitate.

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पाठ 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ ३१]

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लखमीर सिंह Chemistry [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 34. (b) (iii) | पृष्ठ ३१

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Giving examples, state the difference between balanced and unbalanced chemical equations.


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Which of the following is not an endothermic reaction?

(a) CaCO3 → CaO  +  CO2

(b) 2H2O →2H2 + O2

(c) 6CO2 + 6H2O → C6H12O6  +  6O2

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Decomposition reaction


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\[\ce{Na + O2 ->  Na2O}\]


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potassium dichromate + sulphuric acid → potassium sulphate + chromium sulphate + water + oxygen.


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\[\ce{Ca(OH)2 + HNO3 -> Ca(NO3)2 + H2O}\]


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  4. The completion of the reaction.
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A chemical equation is a shorthand form for a _______ change.


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