SPM Chemistry Set 1C

  1. Examples of salt which can be prepared by double decomposition are
    1. Silver chloride
    2. Magnesium nitrate
    3. Barium sulphate
    4. zinc carbonate
  2. Which cation is present in molten lead(II) iodide?
    1. H+
    2. I
    3. Pb2+
    4. OH
  3. Diagram below shows molecular formulae of two hydrocarbon compounds.

    Which of the following is true about compounds A and B?

    1. Compound A is a saturated hydrocarbon
    2. Compound B is soluble in water.
    3. Compound A produces a lot of soot when burnt in air
    4. Compound B undergoes addition reaction
  4. Both ethanoic acid and hydrochloric acid with concentration of 1 mol dm-3 have
    1. the same concentration of hydrogen ions
    2. different degree of ionisation in water
    3. different pH value
    4.  the same concentration of hydroxide ions
  5. Elements M and N combined to form a compound which has the following characteristics.
    Low melting point
    Does not dissolves in water
    Which of the following is true about elements M and N?

    1. M and N have equal number of electrons
    2. Both M and N are transition metals
    3. M is a metal and N is a non metal
    4. Both M and N are non metals
  6. The electron arrangement of atom X is 2.8.3 and the electron arrangement of atom Y is 2.6.
    Element X and Y can react to form a compound.
    Which statement is true about the formation of the compound?

    1. The compound formed has a formula of XY3
    2. An covalent compound is formed
    3. Atom X releases 3 electrons
    4. Atom Y releases 6 electron
  7. Which diagram shows the arrangement of particles that has the strongest attraction force between the particles?
  8. Which of the following is incorrect about the conversion of unsaturated fats to saturated fats?
    1. The boiling point of the oil increases
    2. Physical state changes from liquid to solid
    3. Relative molecular mass of the oil molecule increases
    4. Intermolecular forces become weaker
  9. Figure below shows the set- up of apparatus for the experiment to determine the chemical properties of sulphuric acid.

    Which of the following are the results from the above reaction?

    1. Zinc sulphate and water
    2. Zinc sulphate and hydrogen gas
    3. Zinc sulphate,water and carbon dioxide gas
    4. Zinc sulphate, water and carbon monoxide gas
  10. Table below shows the boiling points of three elements in Group 17.
    Halogen Boiling point (°C)
    Fluorine -188
    Chlorine -35
    Bromine 59

    Which of the following best explain why the boiling point increases down the group?

    1. Increase in proton number.
    2. Increase in strength of the intermolecular forces
    3. Increase in number of occupied shells of the atom
    4. Increase in strength of the covalent bond between the atoms

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