General Science (Energy) – Quiz 1 Related Post General Science (Photosynthesis) – Quiz 1 General Science (Chemistry) – Quiz 4 General Science (Chemistry) – Quiz 3 General Science (Chemistry) – Quiz 2 General Science (Chemistry) – Quiz 1 1. In the presence of concentrated sulphuric acid ethanol will preferably undergo: Dehydration reaction Reduction reaction Polymerization reaction Electrophilic elimination reaction 2. Methyl ketones can be characterized by performing: Iodoform test Schiffs test Benedict reagent test Tollens test 3. In the presence of cyanide ions primary alkyl halide prefer to exhibit: Free radical substitution reaction Unimolecular Nucleophilic substitution reaction Electrophilic substitution reaction Bimolecular Nucleophilic substitution reaction 4. In the presence of diffused sunlight halogenations of ethane will proceed through: Free radical substitution reaction Nucleophilic substitution reaction Electrophilic substitution reaction Electrophilic elimination reaction 5. In the presence of metal oxides aluminum metal acts as a/an: Oxidizing agent Reducing agent Complexing agent Polymeric agent 6. In the presence of methyl amine methyl magnesium bromide will generate: Ethane Propane Methane Ethanol 7. In the presence of zinc dust a vicinal dihalide will preferably undergo: Oxidation reaction Reduction reaction Elimination reaction Addition reaction 8. Increasing the amount of ______ in the air increases both the rate of photosynthesis and the growth of the plants. Oxygen Nitrogen Carbon dioxide Dust 9. Number of sodium ion which may present in one mole of sodium chloride is: 1.806 x 1023 6.022 x 1023 1.204 x 1024 6.022 x 1024 10. Irreversible reactions are generally: Sluggish Spontaneous Unpredictable Unusual 11. Isotope of Oxygen atom that is expected to have the highest value of percentage relative abundance is: 16O 17O 18O 19O 12. Lead sulphide can be precipitated from its aqueous solution by the addition of: Zinc sulphide Silver nitrate Sodium chloride calcium hydroxide 13. Light is a form of energy carried by light waves anything _______ gives off light energy. Transparent Translucent Luminous Dark 14. Metals are good conductor of ____________ and electricity. Gas Heat Air Current 15. Liquids either dissolve in water when they are said to be _____ or they do not mix with water when they are immiscible. Amusable Miscible Undissolvable Solvent 16. Malleability and ductility are characteristic features of: Atomic crystals Molecular crystals Covalent crystals Ionic crystals 17. Maximum number of electrons which may be present in an orbital is decided by: Azimuthal quantum number Pauli exclusion principle Spin quantum number Magnetic quantum number 18. Maximum number of isomers possessed by pentane is: 2 3 5 6 19. Metal carbonate that is expected to show the highest thermal stability on heating is: Calcium carbonate Sodium carbonate Magnesium carbonate Potassium carbonate 20. Metals are good conductor of _____ and electricity. Gas Heat Air Current Loading … Question 1 of 20