Sail E0 Webinar

MCQs

Total Questions : 350 | Page 4 of 35 pages
Question 31. While plotting decrease in mass against time, a flat curve shows
  1.    fastest reaction
  2.    reaction is slower
  3.    that the reaction is over
  4.    that the reaction is endless
 Discuss Question
Answer: Option C. -> that the reaction is over
Answer: (c).that the reaction is over
Question 32. Adsorption refers to the
  1.    bounding of a substance to the surface of another substance
  2.    diffusion of one substance to the bulk of other substances completely
  3.    boiling of liquid at the surface
  4.    an inability to bond something at the surface
 Discuss Question
Answer: Option A. -> bounding of a substance to the surface of another substance
Answer: (a).bounding of a substance to the surface of another substance
Question 33. Surface area is greater in
  1.    small particles
  2.    powdered particles
  3.    larger lumps
  4.    crystals
 Discuss Question
Answer: Option B. -> powdered particles
Answer: (b).powdered particles
Question 34. Rate of reaction approx. doubles when temperature increases
  1.    approx. 50C
  2.    approx. 10 °C
  3.    approx. 15 °C
  4.    approx. 20 °C
 Discuss Question
Answer: Option B. -> approx. 10 °C
Answer: (b).approx. 10 °C
Question 35. Factors affecting speed of chemical reactions does not include
  1.    pressure on reactants
  2.    particle size of reactants
  3.    concentration of reactants
  4.    volume of reactants
 Discuss Question
Answer: Option D. -> volume of reactants
Answer: (d).volume of reactants
Question 36. The value of Eo is known as
  1.    standard electrode potential
  2.    standard cell potential
  3.    standard charge potential
  4.    standard ion potential
 Discuss Question
Answer: Option B. -> standard cell potential
Answer: (b).standard cell potential
Question 37. Position of equilibrium reaction is influenced by changes in
  1.    concentration
  2.    pressure
  3.    temperature
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 38. Eo Values provides information that
  1.    reaction is possible only
  2.    reverse reaction does not occur only
  3.    reaction will not proceed
  4.    reaction is possible and reverse reaction does not occur
 Discuss Question
Answer: Option D. -> reaction is possible and reverse reaction does not occur
Answer: (d).reaction is possible and reverse reaction does not occur
Question 39. Halide ions' ability to act as a reducing agent increases
  1.    down the group
  2.    across the period (left to right)
  3.    across the period (right to left)
  4.    up the group
 Discuss Question
Answer: Option A. -> down the group
Answer: (a).down the group
Question 40. Using Eo values, help us to determine how easy and difficult it is to
  1.    oxidize
  2.    reduce
  3.    catalyze
  4.    reverse
 Discuss Question
Answer: Option C. -> catalyze
Answer: (c).catalyze

Latest Videos

Latest Test Papers