Chemistry (General Science): All SSC Exams Previous Years Questions Papers Solved Part 2

Custom Search

Q.1:- Threshold limit value of copper in the atmospheric air is ?

  1. 001 mg/m3
  2. 01 mg/ m3
  3. 0 mg/m3
  4. 0 mg/ m3

Q.2:- Heating of a ore below its melting point in the absence of air is known as ?

  1. Refining
  2. Calcination
  3. Roasting
  4. Smelting

Q.3:- Neutrons are slowed down in a nuclear reactor by ?

  1. Fissionable Material
  2. Moderator
  3. Control Rods
  4. Cooling System

Q.4:- Rutherford’s scattering experiment provide the presence of ?

  1. Atoms in all mater
  2. Electrons in atoms
  3. Neutrons in atoms
  4. Nucleus in atoms

Q.5:- The percentage of Nitrogen present in Ammonium Sulphate is ?

  1. 27%
  2. 25%
  3. 5%
  4. 18%

Q.6:- The inert gas used as beacon light is ?

  1. Kr
  2. Ar
  3. He
  4. Ne

Q.7:- Number of neutrons in an atom of Hydrogen is ?

  1. One
  2. Zero
  3. Two
  4. Three

Q.8:- The gas produced in marshy places due to decomposition of vegetation of ?

  1. Carbon Monoxide
  2. Carbon Dioxide
  3. Sulphur Dioxide
  4. Methane

Q.9:- The chemical name of Baking Soda is ?

  1. Sodium Carbonate
  2. Sodium Bicarbonate
  3. Sodium Chloride
  4. Sodium Nitrate

Q.10:- Which of the following is not a Nitrogenous Fertiliser ?

  1. Ammonium Sulphate
  2. Urea
  3. Ammonium Nitrate
  4. Superphosphate

Q.11:- Warming Ammonium chloride with Sodium Hydrochloride in a test tube is an example of ?

  1. Open System
  2. Closed System
  3. Isobaric System
  4. Isothermal System

Q.12:- Which of the following is a radioactive element ?

  1. Cobalt
  2. Uranium
  3. Argon
  4. Chromium

Q.13:- Which of the following is not a donor atom ?

  1. Phosphorus
  2. Antimony
  3. Arsenic
  4. Aluminium

Q.14:- Bauxite is used as raw material by which industry ?

  1. Aluminium
  2. Iron
  3. Steel
  4. Gold

Q.15:- An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a ?

  1. Power Transmitter
  2. Battery
  3. Uninterrupted Power Supply (UPS)
  4. Generator
READ ALSO:   Biology (Botany, Zoology, Nutrition, Health, Agriculture, Ecology and Environment) : All SSC Exams Previous Years Questions Papers Solved Part 2

Q.16:- The number of hydrogen bonds between guanine and cytosine in DNA is ?

  1. 2
  2. 3
  3. 4
  4. 1

Q.17:- Which method will be employed to test the hardness of water ?

  1. Boiling
  2. Distillation
  3. Formation of lather with soap
  4. None of these

Q.18:- The gas dissolved in water that makes it basic is ?

  1. Ammonia
  2. Sulphur Dioxide
  3. Hydrogen
  4. Carbon Dioxide

Q.19:- The acid which fails to liberate Carbon Dioxide from Sodium Bicarbonate is ?

  1. Acetic Acid
  2. Formic Acid
  3. Carbonic Acid
  4. Sulphuric Acid

Q.20:- Nitrogen in water is commonly found in the form of ?

  1. Nitrous Oxide
  2. Nitrate
  3. Nitric Oxide
  4. Nitrite

Q.21:- A solution is ?

  1. A homogeneous mixture of two or more substances
  2. A solid dissolved in a liquid
  3. A solid dissolved in water
  4. A mixture of two liquids

Q.22:- Carbon Footprint can be reduced by ?

  1. Recycling Waste Materials
  2. Using Energy Efficient Appliances
  3. Commuting by public transport
  4. All of these

Q.23:- Most commonly used bleaching agent is ?

  1. Sodium Chloride
  2. Alcohol
  3. Carbon Dioxide
  4. Chlorine

Q.24:- Which of the following elements is obtained from sea weeds ?

  1. Iodine
  2. Vanadium
  3. Argon
  4. Sulphur

Q.25:- Which of the following elements does not exhibit natural radioactivity ?

  1. Uranium
  2. Thorium
  3. Aluminium
  4. Polonium

 

Explore and Study More Topics

READ ALSO:   Biology (Botany, Zoology, Nutrition, Health, Agriculture, Ecology and Environment) : All SSC Exams Previous Years Questions Papers Solved Part 22