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MCQs

Total Questions : 350 | Page 32 of 35 pages
Question 311. The change in color of the particular reactant can be detected in
  1.    spectrometer
  2.    calorimeter
  3.    colorimeter
  4.    none of above
 Discuss Question
Answer: Option C. -> colorimeter
Answer: (c).colorimeter
Question 312. The physical property of any reaction mixture is analyzed over a specific time period is
  1.    sampling
  2.    analyzing
  3.    continuous
  4.    none of above
 Discuss Question
Answer: Option C. -> continuous
Answer: (c).continuous
Question 313. If the proportion of particles with energy is greater than activation energy, the reaction will
  1.    slow down
  2.    speed up
  3.    remains constant
  4.    end up
 Discuss Question
Answer: Option A. -> slow down
Answer: (a).slow down
Question 314. A substance which increases the rate of reaction but itself remain chemically unchanged is called a
  1.    substrate
  2.    enzyme
  3.    reactant
  4.    product
 Discuss Question
Answer: Option B. -> enzyme
Answer: (b).enzyme
Question 315. Measurement of increase in concentration of reactant and increase in concentration of product over a specific time period is called
  1.    rate of reaction
  2.    equilibrium reaction
  3.    rate determining step
  4.    none of above
 Discuss Question
Answer: Option A. -> rate of reaction
Answer: (a).rate of reaction
Question 316. While reacting with metals, halogens get
  1.    oxidized
  2.    reduced
  3.    deoxidized
  4.    neutralized
 Discuss Question
Answer: Option B. -> reduced
Answer: (b).reduced
Question 317. CaCl₂ is an example of
  1.    Ionic bond
  2.    Covalent bond
  3.    Metallic bond
  4.    Dative bond
 Discuss Question
Answer: Option A. -> Ionic bond
Answer: (a).Ionic bond
Question 318. As oxidizing agents, the Halogens get less powerful
  1.    going up the group
  2.    going down the group
  3.    across the period (right to left)
  4.    across the period (right to left)
 Discuss Question
Answer: Option B. -> going down the group
Answer: (b).going down the group
Question 319. What is correct about halogens?
  1.    they loose one electron while reacting with metal atoms
  2.    they are oxidizing agents
  3.    they are reducing agents
  4.    they are least volatile of all other elements
 Discuss Question
Answer: Option B. -> they are oxidizing agents
Answer: (b).they are oxidizing agents
Question 320. Fluorine (Fl₂) can be stored in containers of
  1.    Al/Co alloy
  2.    Co/Ni alloy
  3.    Cu/Si alloy
  4.    Cu/Ni alloy
 Discuss Question
Answer: Option D. -> Cu/Ni alloy
Answer: (d).Cu/Ni alloy

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