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MCQs4All - Chemistry MCQs for NTS, FPSC, CSS, IELTS, TOEFL

Question. Cannizaros reaction takes place through the transfer of ____________________ from complex anion?
  1. hydrogen ion
  2. hydride ion
  3. oxide ion
  4. methoxide ion
Question. The spreading of fragrance or scent in air is due to_______________?
  1. Diffusion
  2. Effusion
  3. Attraction with air
  4. Low dsensity
Question. The molecules of CO2 in dry ice form__________________?
  1. Ionic crystal
  2. Covalent crystal
  3. Molecular crystal
  4. Any type of crystal
Question. The cooling of molten urea by air in the tower is called______________________?
  1. prilling
  2. evaporation
  3. condensation
  4. crystallization
Question. Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?
  1. primary alcohol
  2. secondary alcohol
  3. tertiary alcohol
  4. dihydric alcohol
Question. Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?
  1. 2.0 x 10-10 mol dm-3
  2. 1.414 x 10-5 mol dm-3
  3. 1.0 x 10-10 mol dm-3
  4. 1.0 x 10-5 mol dm-3

Chemistry MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed of past papers
Question. Non-stoichiometric compounds of transition elements are called___________________?
  1. hydrates
  2. hydrides
  3. binary compounds
  4. interstitial compounds
Question. If internal energy of the system is increased ____________________?
  1. Change in state of the system is increased
  2. Temperature of the ystem may rise
  3. Chemical reaction may take place
  4. All
Question. The solution remaining after the formation of crystals is called ___________________?
  1. Mother liquor
  2. Dilute solution
  3. Residue
  4. both A & B
Question. The hydrolysis of Benzenetrizonide will yield three moles of____________________?
  1. Glyoxime
  2. Benzaldehyde
  3. Glycol
  4. Glyoxal
Question. The complete reduction carboxylic acid results in the formation of________________?
  1. Alkyne
  2. Alkene
  3. Alkane
  4. Alcohol
Question. Hydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be_______________?
  1. 16 gmol-1
  2. 32 gmol-1
  3. 48 gmol-1
  4. 64 gmol-1
Question. In a group ionic radius ?
  1. Increases
  2. Decreases
  3. No change
  4. Variable trend
Important MCQs
Question: How many Muhajireen were there at the time of Mawakhat?
Question: Myopia is a disease connected with_________?
Question: Human bone does not contain_________?
Question: Short-sightedness can be corrected by using ___________?
Question: Novel “War and Peace” was written by__________?
Question: The Only Country in the World, which Flag is not rectangular?
Question: How many angels are mentioned in The Holy Quran?
Question: Parsec is a unit of ___________?
Question: Idols in Kaba before Islam numbered ?
Question: In which Country ruins of “Cyrene” is located?
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