Chemistry Test Chemistry MCQs Test 05 Online Preparation Chemistry MCQs Test 05 Online Preparation 1. In the van der Waals equation (P + n2a / v2) (v - nb) = nRT which of the following statement is not true?A. nb correct for the volume occupied by gas moleculesB. all of the above statements are correctC. n2a/v correct for the intermolecular forcesD. at high densities the equation reduces to the ideal gas law Loading... 2. 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. 2.5cm3/minB. 40cm3/minC. 160cm3/minD. 20cm3/min Loading... 3. As a substance moves from a solid to a liquid all of the following changes occur except:A. K.E of the molecules decreasesB. molecules move more frequentlyC. molecules become more disorderedD. intermolecular forces become weaker Loading... 4. All the following variables are used to describe gases except ?A. densityB. pressureC. volumeD. moles Loading... 5. Benzene is a good solvent for ?A. resinsB. iodineC. fatsD. all the above 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. 0?CC. ?273.16?CD. 273.16K Loading... 7. The rectified spirit is ?A. 95% alcoholB. 90% alcoholC. 100% alcoholD. 12% alcohol Loading... 8. Methyl alcohol is not used as ?A. an anti freezing agentB. for denaturing of ethyl alcoholC. a solventD. a substitute for petrol Loading... 9. When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?A. 2-bromophenol is insoluble in waterB. acid-base reactionC. a hydroxy group makes the benzene ring more susceptible to electrophilic attackD. phenol is unsaturated 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. aqueous NaOHD. Fehling solution Loading... Loading... Related PostsChemistry MCQs Test 07 Online PreparationChemistry MCQs Test 06 Online PreparationChemistry Online MCQs Test 01 For PreparationChemistry Online MCQs Test 04 For PreparationChemistry Online MCQs Test 02 For PreparationChemistry Online MCQs Test 03 For Preparation Continue Reading Previous Chemistry Online MCQs Test 04 For Preparation Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ