State Of Matter MCQ

Test your knowledge with important State Of Matter MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more State Of Matter MCQs at Bissoy

• Water boils at a lower temperature at high altitudes, because
  ক

  the air pressure is less

  খ

  outside temperature is less

  গ

  latent heat is less

  ঘ

  None of the above
• Gelatin is mostly used in making ice creams in order to
  ক

  prevent making a colloid

  খ

  stabilise the colloid and prevent crystallisation

  গ

  stabilises mixture

  ঘ

  enrich the aroma
• Which of the following is used to remove the green colour from glass?
  ক

  Silicon dioxide

  খ

  Titanium dioxide

  গ

  Sulphur dioxide

  ঘ

  Manganese dioxide
• 'Aerosol' is
  ক

  suspended solid particles in air

  খ

  pollutant gas, present in air

  গ

  microbes, present in air

  ঘ

  green house gas present in air
• In winter season specially in cold countries, ethylene glycol is added to water in the radiators of cars. It results in
  ক

  reducing the viscosity of water

  খ

  lowering the freezing point of water

  গ

  lowering the boiling point of water

  ঘ

  reducing the specific heat of water
• For an ideal gas, which one of the following statements is not true?
  ক

  The speed of all gas molecules is same

  খ

  The kinetic energies of all gas molecules are not same

  গ

  The potential energy of the gas molecules is zero

  ঘ

  There is no interactive force between the molecules
• Match the term in List I with its definition in 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. Sublimation</td> <td>1. The change of a gas to a solid</td> </tr> <tr> <td>b. Deposition</td> <td>2. The chance of a gas to a liquid</td> </tr> <tr> <td>c. Condensation</td> <td>3. The change of a liquid to a gas</td> </tr> <tr> <td>d. Vaporisation</td> <td>4. The change of a solid to a gas</td> </tr></table> a-2, b-3, c-4, d-1

  খ

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

  গ

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

  ঘ

  a-3, b-4, c-1, d-2
• According to which one of the following laws it is indicated that when two or more gases react with one another, their volumes bear a simple ratio?
  ক

  Law of Mass Action

  খ

  Law of Multiple Proportions

  গ

  Law of Reciprocal Proportions

  ঘ

  Law of Combining Volumes
• Ink is prepared from
  ক

  dye

  খ

  tannin

  গ

  starch

  ঘ

  latex
• An emulsion is a colloid of
  ক

  gas in a liquid

  খ

  liquid in a liquid

  গ

  liquid in a gas

  ঘ

  gas in a solid
• Which one of the following is called Dry Ice?
  ক

  Solid carbon dioxide

  খ

  Liquid carbon dioxide

  গ

  Liquid nitrogen

  ঘ

  Liquid ammonia
• A balloon filled with ethylene is pricked with a sharp point and quickly dropped in a tank of H₂ gas under identical conditions. After a while the balloon will have
  ক

  shrunk

  খ

  enlarged

  গ

  completely collapsed

  ঘ

  remained unchanged in size
• Which one of the following elements exists in liquid state at room temperature?
  ক

  Mercury

  খ

  Lead

  গ

  Sodium

  ঘ

  Calcium
• At constant temperature, the product of pressure and volume of a given amount of a gas is constant. This is
  ক

  Gay-Lussac Law

  খ

  Charles Law

  গ

  Boyle's Law

  ঘ

  Pressure Law
• Chromatography is based on which of the following?
  ক

  Different solubilities of different substances in different medium

  খ

  Same solubilities of different substances in same medium

  গ

  Different solubilities of different substances in same medium

  ঘ

  Both A and B
• The temperature to which a gas must be cooled before it can be liquefied by compression is called
  ক

  Boyle's temperature

  খ

  critical temperature

  গ

  liquefaction temperature

  ঘ

  inversion temperature
• Statement I All compounds contain more than one element.<br>Statement II All compounds are heterogeneous mixtures.
  ক

  Both the statements are individually true and statement II is the correct explanation of statement I

  খ

  Both the statements are individually true but statement II is not the correct explanation of statement I

  গ

  Statement I is true, but statement II is false

  ঘ

  Statement I is false, but statement II is true
• Which one of the following gemstones contains beryllium metal?
  ক

  Topaz

  খ

  Emerald

  গ

  Ruby

  ঘ

  Blue sapphire
• Quartzis a crystalline form of
  ক

  alumina

  খ

  glass

  গ

  silica

  ঘ

  limestone
• A pressure cooker works on the principle of
  ক

  elevation of boiling point of water by application of pressure

  খ

  making the food-grains softer by application of pressure

  গ

  making the food-grains softer by application of pressure and temperature

  ঘ

  keeping the food-grains inside steam for a longer time
• Milk is an
  ক

  emulsion

  খ

  suspension

  গ

  foam

  ঘ

  gel
• The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its melting point. The melting point of a solid is an indication of
  ক

  strength of the intermolecular forces of attraction

  খ

  strength of the intermolecular forces of repulsion

  গ

  molecular mass

  ঘ

  molecular size
• Ammonia (NH₃) obtained from different sources always has same proportion of nitrogen and hydrogen. It proves the validity of law of
  ক

  Reciprocal proportion

  খ

  Constant proportion

  গ

  Multiple proportion

  ঘ

  None of the above
• Consider the following statements.<br>1. The rate of diffusion of liquids is higher than that of solids.<br>2. In the liquid state, particles move freely and have greater space between each other as compared to particles in the solid state.<br>Which of the statement(s) given above is/are correct.
  ক

  Only 1

  খ

  Only 2

  গ

  Both 1 and 2

  ঘ

  None of these
• Which one of the following could be the melting point of iron?
  ক

  25°C

  খ

  37°C

  গ

  500°C

  ঘ

  1500°C
• An ideal gas is one which obeys
  ক

  Gas Law

  খ

  Boyle's Law

  গ

  Charle's Law

  ঘ

  Avogadro's Law
• Quartz is extensively used as a piezo-electric material. It contains
  ক

  Hg

  খ

  Si

  গ

  Ti

  ঘ

  sn
• Lowering the atmospheric pressure on a liquid
  ক

  increases the boiling point of the liquid

  খ

  lowers the boiling point of the liquid

  গ

  does not affect the boiling point of the liquid

  ঘ

  increases the time required for it to boil
• Very small insoluble particles in a liquid may be separated it by using
  ক

  crystallisation

  খ

  fractional distillation

  গ

  centrifugation

  ঘ

  decantation
• At absolute zero, which one of the following is zero for a gas?
  ক

  Potential energy

  খ

  Kinetic energy

  গ

  Vibration energy

  ঘ

  None of the above