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10 mL of 2(M) NaOH solution is added to ...

10 mL of 2(M) NaOH solution is added to 200 mL of 0.5 (M) of NaOH solution. What is the final concentration of the resultant solution?

A

0.57 (M)

B

5.7 (M)

C

11.4 (M)

D

1.14 (M)

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BRILLIANT PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-LEVEL-I
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  7. 7.5 grams of a gas occupy 5.6 litre of volumes at STP. The gas is

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  10. The number of atoms of oxygen present in 10.6 g of Na(2)CO(3) is

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  15. Which one of the following is the lightest?

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  16. Which of the following substance contains greatest mass of chlorine?

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  17. Mass of one atom of X is 6.66xx10^(-23)g. Hence number of mole of atom...

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  19. The density of C Cl(4) vapour in g"/"L at STP will be

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  20. The number of electrons present in 5.6 litre of H2 gas at S.T.P is

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  21. 10g of CaCO(3) contains

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