Chemistry GK Chapter Wise MCQ

Test your knowledge with important Chemistry GK Chapter Wise MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Chemistry GK Chapter Wise MCQs at Bissoy

• Match List-I (Type of glass) with List-II (Composition) and select the correct answer:<br>
  ক

  <table class="table-style-1"> <tr> <td><strong>List-I</strong></td> <td><strong>List-II</strong></td> </tr> <tr> <td>a. Soda glass</td> <td>1. Mixture of potassium and lead silicates</td> </tr> <tr> <td>b. Crown glass</td> <td>2. Mixture of sodium, barium, zinc and magnesium silicates</td> </tr> <tr> <td>c. Flint glass</td> <td>3. Mixture of sodium, zinc and aluminium silicates</td> </tr> <tr> <td>d. Pyrex glass</td> <td>4. Mixture of sodium and calcium silicates</td> </tr></table> a-4, b-1, c-2, d-3

  খ

  a-3, b-2, c-1, d-4

  গ

  a-4, b-2, c-1, d-3

  ঘ

  a-3, b-1, c-2, d-4
• Which one among the following agents is added to domestic LPG cylinder to help in the detection of gas leakage?
  ক

  Methanol

  খ

  Ethanol

  গ

  Thioethanol

  ঘ

  Chloroform
• Match the species in List I with their types List II.<br>
  ক

  <table class="table-style-1"> <tr> <td><strong>List-I</strong></td> <td><strong>List-II</strong></td> </tr> <tr> <td>a. DDT</td> <td>1. Photochemical smog</td> </tr> <tr> <td>b. NaClO₃</td> <td>2. Disinfectant</td> </tr> <tr> <td>c. Cl₂</td> <td>3. Herbicides</td> </tr> <tr> <td>d. PAN</td> <td>4. Pesticides</td> </tr></table> a-3, b-2, c-1, d-4

  খ

  a-4, b-3, c-2, d-1

  গ

  a-2, b-1, c-4, d-3

  ঘ

  a-1, b-4, c-3, d-2
• Consider the following statements.<br>1. Glass wool has tensile strength greater than steel.<br>2. Glass wool is fire proof.<br>3. Glass wool has high electrical conductivity and absorbs moisture.<br>4. Glass wool is used to prepare libre glass.<br>Which of the statements given above are correct?
  ক

  1, 2, 3 and 4

  খ

  1, 2 and 3

  গ

  1, 2 and 4

  ঘ

  3 and 4
• Biogas is formed through
  ক

  fermentation

  খ

  oxidation

  গ

  aerobic respiration

  ঘ

  reduction
• Which one of the following is another name of RDX?
  ক

  Cyanohydrin

  খ

  Dextran

  গ

  Cyclohexane

  ঘ

  Cyclonite
• Which one of the following gases, released from biogas plant is used as a fuel gas?
  ক

  Butane

  খ

  Propane

  গ

  Methane

  ঘ

  Ethane
• What is the most common salt in sea water?
  ক

  Calcium carbonate

  খ

  Potassium chloride

  গ

  Sodium chloride

  ঘ

  Magnesium sulphate
• Which of the following metals causes Itai-Itai disease?
  ক

  Cadmium

  খ

  Chromium

  গ

  Cobalt

  ঘ

  Copper
• Natural rubber is the polymer of
  ক

  isoprene

  খ

  styrene

  গ

  butadiene

  ঘ

  ethylene
• A sample of 'soft soap' contains
  ক

  caesium

  খ

  potassium

  গ

  calcium

  ঘ

  magnesium
• Consider the following statements.<br>1. A chalcogenide glass is a glass containing sulphur, selenium or tellurium.<br>2. Chalcogenide glass form the basis of re-writable CD and DVD solid-state memory technology.<br>Which of the statement(s) given above is/are correct?
  ক

  Only 1

  খ

  Only 2

  গ

  Both 1 and 2

  ঘ

  Neither 1 nor 2
• Which form of nitrogen is available in urea?
  ক

  Amide

  খ

  Ammoniacal

  গ

  Nitrate

  ঘ

  Nitrite
• Which one of the following is the reason for keeping the chloroform in brown-tinted glass containers?
  ক

  Its brilliance colour hurts eyes

  খ

  Its deep red colour is piercing

  গ

  With UV-rays and O₂, it forms poisonous gas phosgene

  ঘ

  With IR-rays, it forms a poisonous cyanide
• Quality diesel is measured in terms of its
  ক

  cetane number

  খ

  octane number

  গ

  gold number

  ঘ

  avogadro number
• Which of the following is a natural dye?
  ক

  Crystal violet

  খ

  Aniline blue

  গ

  Alizarin

  ঘ

  Phenolphthalein
• Which one among the following is not an example of ceramics?
  ক

  Beryllia

  খ

  Zirconia

  গ

  Alumina

  ঘ

  Geraniol
• What is detergent?
  ক

  Soap

  খ

  Medicine

  গ

  Catalyst

  ঘ

  Refining agent
• Aspirin is obtained from
  ক

  petroleum

  খ

  earth

  গ

  a tree

  ঘ

  chemical reaction of acids
• Humus' is an example of
  ক

  soil structure

  খ

  crystalloids

  গ

  organic colloids

  ঘ

  none of the above
• Which one of the following substances is most likely to be used as soap?
  ক

  CH₃(CH₂)₁₂COOCH₃

  খ

  CH₃(CH₂)₅O(CH₂)₅CH₃

  গ

  CH₃(CH₂)₁₂COONa

  ঘ

  CH₃(CH₂)₁₂CHCl₂
• CNG is
  ক

  Compressed Natural Gas

  খ

  Cyanogen Natural Gas

  গ

  Condensed Nitrogen Gas

  ঘ

  Controlled Natural Gas
• KMnO₄ can be used as alan
  ক

  insecticide

  খ

  fertiliser

  গ

  pesticide

  ঘ

  disinfectant
• Match the following List I with List II.<br>
  ক

  <table class="table-style-1"> <tr> <td><strong>List-I</strong></td> <td><strong>List-II</strong></td> </tr> <tr> <td>a. NO</td> <td>1. Insecticide</td> </tr> <tr> <td>b. PAN</td> <td>2. Primary pollutant</td> </tr> <tr> <td>c. BHC</td> <td>3. Herbicide</td> </tr> <tr> <td>d. NaClO₃</td> <td>4. Secondary pollutant</td> </tr></table> a-2, b-4, c-1, d-3

  খ

  a-4, b-2, c-1, d-3

  গ

  a-2, b-4, c-3, d-1

  ঘ

  a-2, b-3, c-4, d-1
• Consider the following statements.<br>1. Fuels with low octane numbers are ideal for diesel engines.<br>2. Use of gasoline with low octane numbers may lead to the problem of engine knocking.<br>Which of the statement(s) given above is/are correct?
  ক

  Only 1

  খ

  Only 2

  গ

  Both 1 and 2

  ঘ

  Neither 1 nor 2
• Consider the following statements.<br>Sodium silicate and sodium sulphate are mixed as detergents in washing powders so that<br>1. to maintain dryness of the powder.<br>2. to maintain the basicity of powder.<br>Which of the following statements is correct?
  ক

  Only 1

  খ

  Only 2

  গ

  Both 1 and 2

  ঘ

  None of these
• The substances which vaporise during burning give
  ক

  brent crude

  খ

  flame

  গ

  diesel

  ঘ

  petroleum
• Gasohol is a mixture of
  ক

  gasoline and methanol

  খ

  gasoline and ethanol

  গ

  gasoline and propanol

  ঘ

  methanol and ethanol
• Which of the following is used as a "morning after pill"?
  ক

  Norethindrone

  খ

  Ethinylestradiol

  গ

  Mifepristone

  ঘ

  Bithional
• Middle region of flame having the colour.
  ক

  Yellow

  খ

  Black

  গ

  Red

  ঘ

  White