firefox-gray

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: Mt. Ararat is the highest peak of__________?
Question: First battle of Panipat began on _________.
Question: Third Wife of Hazrat Muhammad (SAW) was _______.
Question: The only President who was elected more than twice:
Question: International Children’s Day is observed on?
Question: Biological organization is_____________?
Question: Addition of 2% gypsum in cement________________?
Question: Hottest planet of all planets of Solar System is
Question: The one which is not a globular protein__________?
Question: Planet Saturn completes its one orbit around Sun by time of
Quick Links
English Mcqs
Chemistry Mcqs
Marketing Mcqs
General Sciences Mcqs
General Knowledge Mcqs
HRM Mcqs
English Literature Mcqs
World Affairs Mcqs
Statistics Mcqs
Physics Mcqs
Computer Science Mcqs
Pedagogy Mcqs
History Mcqs
Islamic Studies Mcqs
Finance Mcqs
Mathematics Mcqs
Pak Study Mcqs
Biology Mcqs
Accounting Mcqs
Economics Mcqs
Worthy Quote
An investment in knowledge pays the best interest. – Benjamin Franklin