Chemistry (General Science): All SSC Exams Previous Years Questions Papers Solved Part 1

Custom Search

Q.1:- Which of the following is biodegradable ?

  1. Paper
  2. D.T.
  3. Aluminium
  4. Plastic

Q.2:- The metal, used to galvanise Iron to protect it from rusting is ?

  1. Zinc
  2. Chromium
  3. Lead
  4. Antimony

Q.3:- Among the fuels given below, the one with highest calorific value is ?

  1. Coke
  2. Coal
  3. Wood
  4. Natural Gas

Q.4:- Hardest allotrope of Carbon is ?

  1. Diamond
  2. Graphite
  3. Coke
  4. Lamp Black

Q.5:- The number of neutron present in an element having mass number 226 and atomic number 88 is ?

  1. 88
  2. 138
  3. 314
  4. 50

Q.6:- Lead pencil contains ?

  1. Lead
  2. Ferrous Sulphide
  3. Lead Sulphide
  4. Graphite

Q.7:- An example of major air pollutant is ?

  1. Oxygen
  2. Carbon Monoxide
  3. Helium
  4. Carbon Dioxide

Q.8:- The metal chiefly used for galvanising Iron is ?

  1. Zinc
  2. Mercury
  3. Cadmium
  4. Tin

Q.9:- Baking Soda is ?

  1. Potassium
  2. Carbonate
  3. Sodium Carbonate
  4. Sodium Bicarbonate

Q.10:- Two elements which can form a large number of compounds are ?

  1. Carbon and Hydrogen
  2. Carbon and Nitrogen
  3. Carbon and Oxygen
  4. Carbon and Sulphur

Q.11:- Dry Ice is ?

  1. Solid Ammonia
  2. Solid Sulphur Dioxide
  3. Dry Carbon Dioxide Gas
  4. Solid Carbon Dioxide

Q.12:- The wire of flash bulb is made of ?

  1. Copper
  2. Barium
  3. Magnesium
  4. Silver

Q.13:- One property of ammonia is ?

  1. It is insoluble in water
  2. It is a odourless gas
  3. It is a yellowish gas
  4. Its aqueous solution turns red litmus blue

Q.14:- Which of the following is used to increase the anti-knocking property of petrol ?

  1. Tetramethyl lead
  2. Tetraethyl lead
  3. Trimethyl lead
  4. Triethyl lead

Q.15:- Which one of the following contributes largely to the ‘Green House Effect’ ?

  1. Ozone
  2. Carbon Monoxide
  3. Carbon Dioxide
  4. Water Vapour
READ ALSO:   English One Word Substitution : All SSC Exams Previous Years Objective Solved Questions Set 8

Q.16:- Find the odd one ?

  1. Marble
  2. Chalk
  3. Limestone
  4. Slaked Lime

Q.17:- Brass is made of ?

  1. Copper and Tin
  2. Tin and Lead
  3. Copper and Zinc
  4. Copper, Tin and Zinc

Q.18:- The liquid waste from kitchens and baths of residence is known as ?

  1. Domestic Sewage
  2. Storm Water
  3. Sullage
  4. Refuse

Q.19:- The chemical substance present in bones and teeth is ?

  1. Calcium Phosphate
  2. Calcium Chloride
  3. Calcium Sulphate
  4. Calcium Borate

Q.20:- The function of sedimentation tank in sewage treatment is to ?

  1. Disinfect the sewage
  2. Remove water content
  3. Aerate the sewage
  4. Remove suspended solids

Q.21:- One carat of diamond is equal to ?

  1. 100 mg
  2. 150 mg
  3. 200 mg
  4. 250 mg

Q.22:- The lightest radioactive element is ?

  1. Deuterium
  2. Polonium
  3. Tritium
  4. Uranium

Q.23:- The main source of Carbon Monoxide is ?

  1. Industrial Process
  2. Fuel Combustion
  3. Transportation
  4. Solid Waste Disposal

Q.24:- A colloidal system in which a liquid is dispersed in a liquid is called ?

  1. Gel
  2. Emulsion
  3. Sol
  4. Precipitate

Q.25:- Coating of solid waste with impervious material is known as ?

  1. Encapsulation
  2. Chemical Fixation
  3. Landfill
  4. Capping

 

Explore and Study More Topics

READ ALSO:   Physical Geography (India And World) Questions and Answers : All SSC Exams Previous Years Questions Papers Solved Part 1