1 Which oxide reacts with hydrochloric acid? A Sulphur dioxide B Carbon dioxide C Zinc oxide D Nitrogen dioxide
3 Which part of organic compound is responsible for naming? A Functional group B Carbon chain length C Both A and B D Hydrogen atoms
10 Which oxide reacts with sodium hydroxide? A Sulphur dioxide B Zinc oxide C Magnesium oxide D Calcium oxide
12 Which homologous series differs by -CH2- unit? A Inorganic compounds B Organic compounds C Ionic compounds D Metallic compounds
13 Which formula shows the arrangement of atoms in a molecule? A Molecular formula B Empirical formula C Structural formula D General formula
16 Which oxide is formed when magnesium burns in oxygen? A Magnesium carbonate B Magnesium hydroxide C Magnesium oxide D Magnesium sulphate
18 Photochemical smog is mainly formed due to the reaction of nitrogen oxides with: A Carbon monoxide B Sulphur dioxide C Hydrocarbons in sunlight D Oxygen at night