Menu
Popular Courses
Sail E0 20253 months
Fast Math Tricks165 videos
Quantitative Aptitude645 Videos
Reasoning Aptitude161 Videos
CLASS 8 MATHS(CBSE)417 Videos
CLASS 9 MATHS(CBSE)40 hours, 647 questions
Check All Courses
Search

MCQs

Total Questions : 273 | Page 5 of 28 pages
Question 41. While calculating empirical formula, simplest ratio is obtained by dividing
  1.    the smallest number
  2.    the largest number
  3.    the relative atomic mass
  4.    the relative mass of a covalent compound
 Discuss Question
Answer: Option A. -> the smallest number
Answer: (a).the smallest number
Question 42. Hydrogen Sulfate (H₂SO₄) has
  1.    positive charge
  2.    negative charge
  3.    double negative charge
  4.    double positive charge
 Discuss Question
Answer: Option B. -> negative charge
Answer: (b).negative charge
Question 43. To balance Al(OH)₃ + HNO₃ → Al(NO₃)₃ + H₂O, number of H₂O molecules produced will be
  1.    2
  2.    4
  3.    6
  4.    8
 Discuss Question
Answer: Option C. -> 6
Answer: (c).6
Question 44. One molecule each of Magnesium Chloride (MgCl₂), Water (H₂O) and Carbon dioxide (CO₂) results if reactants are
  1.    MgCO₃ and HCl
  2.    MgCO₃ and 2HCl
  3.    MgHCO₃ and HCl
  4.    MgHCO₃ and 2HCl
 Discuss Question
Answer: Option B. -> MgCO₃ and 2HCl
Answer: (b).MgCO₃ and 2HCl
Question 45. To balance Cu + H₂SO₄ → CuSO₄ + H₂O + SO₂; number of H₂SO₄ molecules will be
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 46. An ionic equation chemical reaction,
  1.    symbolically represents all ions in the solution
  2.    the states of reactants and products are mentioned as transcripts
  3.    aqueous elements are shown as the ions it produces in solution
  4.    all of these
 Discuss Question
Answer: Option C. -> aqueous elements are shown as the ions it produces in solution
Answer: (c).aqueous elements are shown as the ions it produces in solution
Question 47. Formula of Calcium Nitride (Ca₃N₂) is
  1.    Ca₃N₅
  2.    Ca₃NO₂
  3.    Ca₃N₂
  4.    Ca₂N₅
 Discuss Question
Answer: Option C. -> Ca₃N₂
Answer: (c).Ca₃N₂
Question 48. Consider chemical reaction ZnCO₃ + HNO₃ → Al(NO₃)₃ + H₂O, number of HNO₃ molecules required for a balanced equation will be
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
Answer: (b).2
Question 49. Natural gas consists of
  1.    methane
  2.    ethane
  3.    propane
  4.    butane
 Discuss Question
Answer: Option A. -> methane
Answer: (a).methane
Question 50. All of these radicals have a valency of -1, except
  1.    OH
  2.    SO₄
  3.    NO₃
  4.    HCO₃
 Discuss Question
Answer: Option B. -> SO₄
Answer: (b).SO₄

Share this page with your friends!

Share this page with your friends!

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDI 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 & Acco 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 ov 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