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Which of the following statement(s) is//...

Which of the following statement(s) `is//are` correct

A

Mass of one ca atom is `6.64xx10^(-23) g`

B

Volume of 18 g `H_(2)O` at 1 atm pressure and 273 K temperature is 22.4 L

C

Number of oxygen atoms in

D

`C_(4)H_(6)O_(2)` sample is 2, if this sample has 6 g atom hydrogen

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The correct Answer is:
A
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ALLEN -TEST PAPER-Chemistry
  1. Which of the following statement(s) is//are correct

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  2. Which fo the following is heavier than 1 gm molecules oxygen?

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  3. Which of the following is//are correct order of bond angle:

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  4. which of the following statement is//are correct?

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  5. Which of the following molecule is//are polar and non planar?

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  6. Which of the following statement is//arecorrect?

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  7. calculate number of moles of HNO(3) in 126 amu of HNO(3)?

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  8. Calculate total charge present on 9.6 g of SO(1)^(-2) ion?

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  9. The ovules of Pinus are present on

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  10. If A(g)^(-)rarrA(g)^(+2)+3e^(-), triangleH(2)=550 kj//mol^(-1) then EG...

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  11. An oxide of certain element 'X' is x(4)O(6) has (400)/(7)% by mass of...

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  12. Vapour density of an ideal gas which has a density 2.16 g//L at 1.12 a...

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  13. Find the maximum bumber of electron in Cr havin m=0?

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  14. Find number of plane havin maximum number of atoms in CD(4)?

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  15. BF(3)+NH(3)rarrProduct A Total number of lone pair present in produc...

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  16. Total number of species which use d -orbital in their bonding SO(2),...

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  17. Total number of species which have co-ordinate bond N(2)O(5),XeF(6),NH...

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  18. Number of compounds having S-S linkage H(2)S(2)O(3),H(2)S(2)O(78),H(...

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  19. Let a point P lies inside an equilateral triangle ABC such that its...

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  20. If F(x)=Ax^(2)+Bx+C,and F(x) is integer when x is integer then

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