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QUESTION 1 A partly filled water bottle is sealed and left on a bench in a room with a constant temperature. After several minutes it is noted that the water level in the bottle remains constant. In the water bottle the rate of evaporation 1s (A) less than the rate of condensation. (B) greater than the rate of condensation. (C) equal to the rate of condensation and equal to zero. (D) equal to the rate of condensation but not equal to zero
QUESTION 2 Mg(s) + 2Ag (aq) > 2Ag(s) + Mg* (aq) Determine which of the following statements 1s true for the chemical reaction. (A) (B) (C) (D) Silver ions are reduced and act as a reducing agent. Silver ions are oxidised and act as a reducing agent. Magnesium atoms are reduced and act as a reducing agent. Magnesium atoms are oxidised and act as a reducing agent
QUESTION 3 W z Ww xX \ | nf C=C |ÔøΩ> +CÔøΩC+ fo | | ej Z Y Z This general chemical equation represents the following type of reaction. (A) addition (B) hydrolysis (C) esterification (D) condensation
QUESTION 4 Oil of wintergreen is a chemical compound with the following chemical structure. OH Identify the functional groups present 1n oil of wintergreen. (A) alcohol and ester (B) alcohol and ketone (C) alcohol and aldehyde (D) alcohol and carboxylic acid
QUESTION 5 The equilibrium constants of four different reactions are given. In which reaction does the equilibrium lie furthest to the left? PCIs(e) + Ch(g) = PCIe) AgI0;(s) = Agt (aq) + IO; (aq) s0 x fo Cl (g) + H O() = HOCI(aq) + Cl(aq) + H*(aq) HSO; (aq) + H O(1) = H30* (aq) + SO37(aq)
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