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Which one of the following is true?...

Which one of the following is true?

A

NaOH is used in the concentration of bauxite ore

B

NaOH is a primary standard in volumetric analysis

C

Manganous hydroxide is soluble in excess of NaOH solution

D

NaOH solution does not react with `Cl_(2)`

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The correct Answer is:
A
`NaOH` is used in the concentration of bauxite ore.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 10-PAPER 1 (PHYSICS & CHEMISTRY)
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  2. Which of the following process is used for the manufacture of H(2)?

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  3. Which one of the following is true?

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  4. Consider the reaction, Cl(2)(aq) + H(2)S(aq) rarr S(s) + 2H^(+) (aq)...

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  5. A metal has a fcc lattice.The edge length of the unit cell is 404 pm ,...

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  6. Which of the following reactions taking place in the blast furnace dur...

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  7. Which one of the following arrangements of molecules is correct on the...

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  8. Across the lanthanide series , the basicity of the lanthanoide hydroxi...

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  9. Which order is correct for the decreasing reactivity to ring monobromi...

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  10. The compound that yields only ketonic compounds on ozonolysis is

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  11. Adsorption of gases on solid surface is exhothermic since

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  12. A monotomic ideal gas undergoes a process in which the ratio of p to V...

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  13. Forr 14 g of CO, the wrong statement is

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  14. Which of the following statement is incorrect?

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  15. Formula of ruby copper is

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  16. Sulphuric acid behaves as

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  17. Pick out the incorrect statement for XeF(6)

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  18. The general electronic configuration of lanthanide is

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  19. An alkyl halide reacts with sodium in the presence of ether to yield

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  20. Acetaldehyde on treatment with dilute alkli and subsequent heating giv...

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