Sail E0 Webinar

General Knowledge > General Science

CHEMISTRY MCQs

Total Questions : 2589 | Page 10 of 259 pages
Question 91. A matured mammalian cell without nucleus is
  1.    Lymphocyte
  2.    Erythrocyte
  3.    Spermatozoan
  4.    Oocyte
 Discuss Question
Answer: Option B. -> Erythrocyte
Question 92. Which of the following metals can displace copper from copper sulphate solution ?
  1.    Platinum
  2.    Mercury
  3.    Iron
  4.    Gold
 Discuss Question
Answer: Option C. -> Iron
Question 93. Colour imparted to the Bunsen flame by strontium salt is
  1.    Bluish green
  2.    Apple-green
  3.    Brick red
  4.    Crimson red
 Discuss Question
Answer: Option D. -> Crimson red
Question 94. Silver gets corroded due to ________ in air.
  1.    Oxygen
  2.    Hydrogen Sulphide
  3.    Carbon dioxide
  4.    Nitrogen
 Discuss Question
Answer: Option B. -> Hydrogen Sulphide
Question 95. An oxidising agent is a
  1.    An electron acceptor
  2.    An electron donor
  3.    In a chemical reaction its oxidation number increases
  4.    It releases H2 in a chemical reaction
 Discuss Question
Answer: Option A. -> An electron acceptor
Question 96. Photo-oxidation process is initiated by
  1.    Light
  2.    Heat
  3.    Oxygen
  4.    Catalyst
 Discuss Question
Answer: Option A. -> Light
Question 97. Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2
  1.    A and B
  2.    B and C
  3.    C and D
  4.    A and C
 Discuss Question
Answer: Option D. -> A and C
Question 98. Copper substances when exposed to air gains a green coating due to the formation of:
  1.    CuO
  2.    CuCO3 Cu(OH)2
  3.    CuSO4
  4.    Cu(NO3)2
 Discuss Question
Answer: Option B. -> CuCO3 Cu(OH)2
Question 99. Catalyst is a substance which
  1.    Increases the rate of the reaction
  2.    Decreases the rate of reaction
  3.    Has no action on the rate of the reaction
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
Question 100. When quick lime is added to water
  1.    Heat is liberated
  2.    Heat is absorbed
  3.    Temperature decreases
  4.    No heat change takes place
 Discuss Question
Answer: Option A. -> Heat is liberated

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

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0