Chemistry Online MCQs Test 03 For Preparation Leave a Comment / Chemistry Test / By Shani Malik Chemistry Online MCQs Test 03 For Preparation 1. Dielectric constant of water at 18 °C is ?A. 70B. 75C. 80D. 84 Loading... 2. The latent heat of fusion of water is ?A. 6 KJ/MolB. 5.2 KJ/MolC. 5.7 KJ/MolD. 4.2 KJ/Mol Loading... 3. The blister copper is refined by ?A. ReductionB. BoilingC. ConcentrationD. Electrolysis Loading... 4. Chemical formula of Urea is ?A. NH4CLB. NH2COONH4C. Na2CO3D. NH2CONH2 Loading... 5. The reason of unusual physical properties of water is due to the presence of ?A. Coordinate cov. BondB. None of theseC. Hydrogen bondingD. Covalent bond Loading... 6. Sodium carbonate is commercially manufactured by ?A. Frisch ProcessB. Haber’s ProcessC. Ostwald’s ProcessD. Solvay Process Loading... 7. Which one of the following disease is caused by mercury ?A. CholeraB. TyphoidC. HepatitisD. Parkinson Loading... 8. Rain water is acidic in nature because air contain ?A. OxygenB. NitrogenC. Carbon dioxideD. All of these Loading... 9. The density of water is one gram per centimeter cube at ?A. 0 °CB. 4 °CC. 100 °CD. 60 °C Loading... 10. Nutrient pollution of water bodies is caused by ? 0 Loading... 11. Most of the aquatic animals cannot survive above ?A. 50 °CB. 30 °CC. 35 °CD. 44 °C Loading... 12. Chlorine act as a bleaching agent in the presence of ?A. HCLB. H2OC. HNO3D. NaOH Loading... 13. The chemical formula of magnetic oxide is ?A. Fe2O3.H2OB. FeOC. Fe2O3D. Fe3O4 Loading... 14. The enormous quantity of water present on earth surface acts as giant thermostat due to its high ?A. Heat CapacityB. Boiling PointC. Latent heat valuesD. Density Loading... 15. Water gas is a mixture of ?A. Hydrogen & OxygenB. CO & H2C. Steam & AirD. None of these Loading... Loading... Related NTS Results Post:Chemistry MCQs Test 07 Online PreparationChemistry MCQs Test 06 Online PreparationChemistry MCQs Test 05 Online PreparationBiology Mcqs Test 10 Online PreparationBiology Mcqs Test 12 Online PreparationBiology Mcqs Test 14 Online PreparationBiology Mcqs Test 15 Online PreparationBiology Mcqs Test 11 Online Preparation