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Decompostion reactions are brought ab...

Decompostion reactions are brought about by _______.

A

Heat

B

light

C

elecetric current

D

all the above

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The correct Answer is:
D
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SURA PUBLICATION-TYPES OF CHEMICAL REACTONS-ADDITIONAL QUESTION & ANSWERS ( CHOOSE THE CORRECT ANSWER ) :
  1. An element 'A' on exposure to moist air turns to form compound ...

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  2. CaCO(3(s)) overset("Heat ") to CaSO((s)) +CO(2(aq)) The above ther...

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  3. Formation of ammoina from nitrogen and hydrogen is an example ...

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  4. Which among the following chemical reaction is an example of com...

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  5. Pick out : compound + element to compound type of combination ...

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  6. Decompostion reactions are brought about by .

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  7. When Zinc metal is placed in hydrochloric acid , the gas evolv...

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  8. Pick out a chemical reaction which is not feasible

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  9. Pick out the metal that displaces hydrogen from hydrochloric ac...

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  10. When a double displacement reaction takes place , one of the p...

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  11. Pb (NO3)2 +2KI to PbI2 +2KNO3 is a reaction

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  12. Heat is evolved during reaction .

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  13. Which among the following is not a balanced equation ?

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  14. Which among the following factors affect the rate of a reaction...

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  15. The value of ionic product of water at 25 ^@ C is .

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  16. Ionic product of water is expressed as .

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  17. Acids have pH .

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  18. chemically rust is .

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  19. when copper sulphate is dissolved in water , the solution would be...

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  20. Which of the following reactions is not feasible ?

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