Sail E0 Webinar

General Knowledge > General Science

RATE OF REACTION MCQs

Total Questions : 6
Question 1. What criteria must be met for reactant collisions to result in a successful product?
  1.    The reactants must collide with each other
  2.    The reactants must collide with enough energy and be in the right positions
  3.    The reactants must have enough energy to form the activated complex
  4.    None of these
 Discuss Question
Answer: Option B. -> The reactants must collide with enough energy and be in the right positions
Question 2. Smaller particle size allows for a _________ surface area to be exposed for the reaction
  1.    larger
  2.    smaller
  3.    rectangular
  4.    spherical
 Discuss Question
Answer: Option A. -> larger
Question 3. Products will form faster if____________
  1.    the particle size of the reactants are larger.
  2.    temperature is decreased.
  3.    concentration of the reactants are increased.
  4.    the reaction is not stirred.
 Discuss Question
Answer: Option C. -> concentration of the reactants are increased.
Question 4. Pick the TWO (2) options that will INCREASE the rate of a reaction
  1.    Adding Heat
  2.    Adding Catalyst
  3.    Removing Catalyst
  4.    Both A & B
 Discuss Question
Answer: Option D. -> Both A & B
Question 5. The following equation shows the reaction between calcium carbonate, CaCO3 and hydrochloric acid, HCl:CaCO3(aq) + 2HCl(aq) → CaCl2(aq) + CO2 (g)­­ + H2O(l)Which of the following is the suitable method to measure the rate of reaction?
  1.    Change in the temperature of the solution with time
  2.    Change in the volume of carbon dioxide gas with time
  3.    Change in the mass of water with time
  4.    Change in the concentration of hydrochloric acid with time
 Discuss Question
Answer: Option B. -> Change in the volume of carbon dioxide gas with time
Question 6. To slow down a chemical reaction you will do one of the following:
  1.    Place the reactants in hot water
  2.    Place the products in ice bath
  3.    Place the reactants in an ice bath
  4.    Keep stirring the reactants with a stirring rod
 Discuss Question
Answer: Option C. -> Place the reactants in an ice bath

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Chapter 3.1 : Overview of Finance & Accounts Department Chapter 3 : Finance & Accounts SAIL E0 - GFM 2024
Chapter 2.1 : Overview Chapter 2 : Materials Management SAIL E0 - GFM 2024
Chapter 1.1 : Personnel Functions- An overview Chapter 1 : Personnel Management SAIL E0 - GFM 2024
GPOE / GPA Combined 1 Free CBT Mock Test SAIL E0 2024
CBT Mixed Test 1 GPOE/GPA SAIL E0 2024