Chemistry MCQs Test 05 Online Preparation Shani Malik — January 16, 2021 in Chemistry Test • add comment Chemistry MCQs Test 05 Online Preparation 1. Methyl alcohol is not used as ?A. a substitute for petrolB. for denaturing of ethyl alcoholC. an anti freezing agentD. a solvent Loading... 2. The rectified spirit is ?A. 95% alcoholB. 90% alcoholC. 100% alcoholD. 12% alcohol Loading... 3. Benzene is a good solvent for ?A. iodineB. all the aboveC. fatsD. resins Loading... 4. When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?A. a hydroxy group makes the benzene ring more susceptible to electrophilic attackB. phenol is unsaturatedC. acid-base reactionD. 2-bromophenol is insoluble in water Loading... 5. All the following variables are used to describe gases except ?A. pressureB. molesC. volumeD. density Loading... 6. If a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at ?A. ?273.16 KB. ?273.16?CC. 273.16KD. 0?C Loading... 7. In the van der Waals equation (P + n2a / v2) (v - nb) = nRT which of the following statement is not true?A. n2a/v correct for the intermolecular forcesB. at high densities the equation reduces to the ideal gas lawC. nb correct for the volume occupied by gas moleculesD. all of the above statements are correct Loading... 8. Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?A. 160cm3/minB. 2.5cm3/minC. 40cm3/minD. 20cm3/min Loading... 9. As a substance moves from a solid to a liquid all of the following changes occur except:A. molecules move more frequentlyB. molecules become more disorderedC. intermolecular forces become weakerD. K.E of the molecules decreases Loading... 10. The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent.A. aqueous bromineB. alkaline aquenous iodineC. Fehling solutionD. aqueous NaOH Loading... Loading... Related NTS Results Post:Chemistry Online MCQs Test 04 For PreparationChemistry MCQs Test 06 Online PreparationChemistry MCQs Test 07 Online PreparationChemistry Online MCQs Test 02 For PreparationChemistry Online MCQs Test 03 For PreparationChemistry Online MCQs Test 01 For PreparationViruses MCQs Test 02 Preparation OnlineBiology Mcqs Test 11 Online Preparation