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What is the difference between the follo...

What is the difference between the following two reactions ?
(a) `Mg + 2HCl to MgCl_(2) + H_(2)`
(b) `NaOH + HCl to NaCl + H_(2)O`.

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(a) It is a single displacement reaction. (b) It is a double displacement reaction also called neutralisation reaction.
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DINESH PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS -Very Short Answer Questions
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  2. Which of the following is a combination and which is a displacement re...

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  4. Identify the compound which is oxidised in the following reaction H(...

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  6. Name two metals which donot get corroded.

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  10. What happens chemically when quick lime is added to water ?

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  11. Give an example of exothermic reaction.

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  12. Give an example of endothermic reaction.

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  13. Name the gas that can be used for the storage of fresh sample of chips...

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  14. Name the type of reaction N(2)(g) + 3H(2)(g) to 2NH(3)(g)

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  15. Give an example of a double displacement reaction (only) reaction with...

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  16. In the reaction MnO(2) + 4HCl to MnCl(2) + 2H(2)O + Cl(2), identify wh...

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  17. Name two salts that are used in black and white photography.

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  18. State the chemical change that takes place when lime stone is heated

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  19. Write a balanced equation for a chemical reaction that can be characte...

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  20. Name the law which requires the balancing of chemical equation.

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