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44g of a sample on complete combustion g...

`44g` of a sample on complete combustion given `88g CO_2 and 36g` of `H_2 O.` The molecular formula of the compound may be :

A

`C_(4)H_(9)`

B

`C_(2)H_(6)O`

C

`C_(2)H_(4)O`

D

`C_(3)H_(6)O`

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NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.61 To Q.90)
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  2. 40 miligram diatomic volatile substance (X2) is converted to vapour th...

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  3. Two elements X( atomic weight =75) and Y( atomic weight =16) combine t...

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  4. A sample of phosphorus that weighs 12.4g exerts a pressure 8 atm in a ...

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  5. Manganese forms non-stoichiometric oxides having the gereral formula f...

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  6. 1. 44 gram if titanium (Ti) reacted with excess of O(2) and produce x ...

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  7. Which statement is false for the balanced equation given below ? ...

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  8. Which of the following statements is correct ?

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  9. 2.0g of a sample contains mixture of SiO2 and Fe2O3. On very strong he...

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  10. What volume of air at 1 atm and 273K containing 21% of oxygen by volum...

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  11. For the reaction, 2Fe(NO3)+3Na2COrarrFe2(CO3)3+6NaNO3 initially 2.5 mo...

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  12. How many of P4 can be produced by reaction of 0.10 moles Ca5(PO4)3F,0....

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  13. Some older emergency oxygen masks contains potassium superoxide KO2 wh...

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  14. The mass of N(2)F(4) produced by the reaction of 2.0 g of NH(3) ...

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  15. Calculate the weight of lime (CaO) obtained by heating 200 kg of 95% p...

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  16. Phospheric acid (H(3)PO(4)) perpared in two step process . ...

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  17. 9 moles of "D" and 14 moles of E are allowed to react in a closed ves...

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  18. The chief ore of Zn is the sulphide ZnS. The ore is concentrated by fr...

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  19. 0.8 moles of a mixture of CO and CO2 requires exactly 40 gram of NaOH ...

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  20. Silver oxide (Ag2O) decomposes at temperature 300^@C yielding matellic...

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