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Mdcat-past-papers - UHS - Chemistry Quiz

Filters: Board: UHS | Subject: Chemistry |
361. Which one of the following has higher vapour pressure?



362. Terminal alkynes show acidic character due to:



363. Fischer ESTERIFICATION is which type of reaction:



364. Shape of orbital is determined by quantum number:



365. The theories which explain the formation of sigma and pi bond are EXCEPT:



366. The value of Planck's constant is:



367. Final equation for the representation of rate of reaction in (ctrr) of concentration is called :



368. Poly vinyl chloride (PVC) is the type of?



369. Which of the following is true about pressure for an ideal gas at -273°C?



370. Which of the following is basic buffer?



371. What happens when H+ is added to ammonium hydroxide and ammonium chloride buffer?



372. What is general requirement for free radical substitution reaction of ethane and halogen?



373. Which one of the following is not a characteristic of benzene?



374. Correct arrangement of orbital according to size of hybridized orbitals?



375. Consider the equation H1+O1→H2O, what volume of hydrogen gas is required to produce 1 mol of water at standard temperature & pressure?



376. A chemical reaction has a theoretical yield of 25 g, but only 20 g of product was obtained. What is the percentage yield of the reaction?



377. Which of the following situations most clearly demonstrates a key characteristic of a Redox reaction?



378. If 100 KJ of heat is absorbed by the system and 40 KJ of water is done on the system what is the change of internal energy?



379. Number of unpaired electrons present in the ground state of Fe3+ are (Atomic number of Fe=26).



380. If % yield and actual yield is 80 and 20g respectively, what will be theoretical yield?



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