Engineering College Admission Test (ECAT) 2005 Past Paper with Answers

Practice the Engineering College Admission Test (ECAT) 2005 past paper with 50 solved MCQs, answers and topic coverage.

50 solved MCQs across 1 approved paper

UET Lahore ECAT Past Paper 2005 (Morning)ECAT - University of Engineering and Technology (UET) Lahore · 2005

Lowest possible principal quantum number is …………..Answer: 1 Which one of following is non-polar molecule ………….Answer: CH₄ H∆ is always negative for ……………… reactions.Answer: Exothermic reactions Dust particles in air are example of a mixture of type ………………Answer: Suspension The difference of BP’s of substances of a mixture is utilized in the separation technique of ……………Answer: Fractional distillation The solubility depends on …………..Answer: Nature of solute and solvent Which one of following belong to group IV-A ( Pb, Sb, Ba, Fe)Answer: Pb The highest ionization energy in 5th group is of ………….Answer: Nitrogen (N) The catalyst used to convert SO₂ to SO₃ is ………………….Answer: Vanadium(V) oxide (V₂O₅) When gypsum loses ¾ of water then the hemihydrate formed has formula ………….Answer: CaSO₄·½H₂O Down cell is used to prepare…………Answer: Sodium metal Aqua regia consists of ………..Answer: 3 parts HCl + 1 part HNO₃ H₄P₂O₇ is the formula of …………..Answer: Pyrophosphoric acid Bleaching powder is made by passing chlorine over …………Answer: Calcium hydroxide In transition elements color formation is due to …………..Answer: D–d electronic transitions The formula of tetramminedichlorodinitroplatinum(IV)sulphate is ………..Answer: [Pt(NH₃)₄Cl₂(NO₂)₂]SO₄ Production of vegetable ghee involves ………….Answer: Hydrogenation CH₂–COOH = NH₂ is the formula of ………….Answer: Glycine Phosphorus is important in the development of …………Answer: Seed germination Which of these is not a nucleophile ……………Answer: BF₃