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Assertion (A) : 2C(3)H(8)+10O(2)rarr 6CO...

Assertion (A) : `2C_(3)H_(8)+10O_(2)rarr 6CO_(2)+8H_(2)O` is not a balanced equation.
Reason (R) : The coefficients are not the smallest whole numbers.

A

Both 'A' and 'R' are correct and 'A, is supported by 'R'.

B

Both 'A' and 'R' are correct, but 'A' is not supported by 'R'.

C

'A' is correct, but 'R' is incorrect.

D

'A' is incorrect, but 'R' is correct.

Text Solution

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The correct Answer is:
A
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VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-OBJECTIVE TYPE QUESTIONS
  1. Assertion (A) : The number of atoms of each element before and after r...

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  2. Assertion (A) : All the chemical equations must be balanced. Reason ...

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  3. Assertion (A) : 2C(3)H(8)+10O(2)rarr 6CO(2)+8H(2)O is not a balanced e...

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  4. Assertion (A) : All the decomposition reactions are endothermic. Rea...

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  5. Assertion (A) : The element zinc has displaced hydrogen from hydrochlo...

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  6. Assertion (A) : Fe+CuSO(4)rarr FeSO(4)+Cu. Reason : (R) Copper is mo...

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  7. Assertion (A) : Oxiation take place in metals only. Assertion (B) : ...

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  8. Which one is not an oxidation process ?

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  9. Assertion (A) : Chips packets are filled with Vitamin 'C' and Vitamin ...

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  10. Match it. {:("a) Corrosion","1) Feal"),("b) Combustion","2) Food"),(...

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  11. Match it and select the correct option. {:("i) Copper","A) "Fe(2)O(3...

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  12. Select the correct option given below. a) Chemical combination is al...

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  13. The layer which gives shiny finish to the wall after whitewash

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  14. Product of a reaction is ………………………. rarr2Fe+Al(2)O(3), Choose the reac...

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  15. On heating lead nitrate brown fumes of …………………. Are liberated.

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  16. Heating of Pb(NO(3))(2) gives two gases 'X' and 'Y'. The colour of X a...

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  17. xH(2)+yO(2)rarr zH(2)O. The values of x, y, z are

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  18. Potato chips are spoiled in a chips packet, predict the reason

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  19. Iron grill was not rusted, predict the proper reason

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  20. A green coating is observed on a metal pipe. The pipe may be made with

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