Chemistry (General Science): All SSC Exams Previous Years Questions Papers Solved Part 5

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Q.1:- Submarines move under water. They have engines that run on ?

  1. Petrol and Oxygen
  2. Diesel
  3. Batteries
  4. Steam

Q.2:- Chemically ‘Quick Silver’ is known as ?

  1. Mercury
  2. Silver
  3. Gold
  4. Copper

Q.3:- The gas which is mainly responsible for the Green House Effect is ?

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

Q.4:- The drug ‘Marijuana’ is a ?

  1. Sedative
  2. Mental Stimulant
  3. Hallucinating Substance
  4. Tranquilizer

Q.5:- Which metal does not undergo corrosion due to the formation of oxide layer ?

  1. Copper
  2. Iron
  3. Aluminium
  4. Zinc

Q.6:- Chemical name of bleaching powder is ?

  1. Calcium Chlorate
  2. Calcium Hypochlorite
  3. Calcium Chloro Hypochlorite
  4. Calcium Bi Chloride

Q.7:- Copper is refined by ?

  1. Roasting
  2. Oxidation
  3. Electrolysis
  4. Zone Refining

Q.8:- Spirit in contact with body gives cool sensation because it is ?

  1. Liquid
  2. Transparent
  3. Highly Volatile
  4. A good conductor

Q.9:- Which one of the following elements is used in the manufacture of fertilizers ?

  1. Fluorine
  2. Potassium
  3. Lead
  4. Aluminium

Q.10:- A powerful eye irritant present in smog is ?

  1. Nitric Oxide
  2. Sulphur Dioxide
  3. Peroxyacetyl Nitrate
  4. Carbon Dioxide

Q.11:- Ozone layer is present in ?

  1. Troposphere
  2. Ionosphere
  3. Stratosphere
  4. Exosphere

Q.12:- The gas that usually causes explosions in coal mines is ?

  1. Hydrogen
  2. Carbon Monoxide
  3. Air
  4. Methane

Q.13:- When Hydrogen starts burning in air, it produces ?

  1. Ammonia
  2. Water
  3. Methane
  4. Carbonic Acid

Q.14:- What is “milk of magnesia” chemically ?

  1. Magnesium Carbonate
  2. Sodium Bicarbonate
  3. Calcium Hydroxide
  4. Magnesium Hydroxide

Q.15:- Who developed atom bomb ?

  1. Warner Wan Brown
  2. Robert Openheimer
  3. Edward Taylor
  4. Samuel Koehen

Q.16:- What is the chemical name for ‘Baking Soda’ ?

  1. Sodium Carbonate
  2. Sodium Bicarbonate
  3. Sodium Nitrite
  4. Sodium Nitrate
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Q.17:- Which of the following Alkali Metals has highest specific heat ?

  1. Caesium
  2. Rubidium
  3. Potassium
  4. Lithium

Q.18:- Which one of the following metals is used to galvanise Iron ?

  1. Copper
  2. Lead
  3. Zinc
  4. Mercury

Q.19:- Humburger effect is otherwise known as ?

  1. Sodium Pump
  2. Anaerobic Metabolism
  3. Choloride Shift
  4. Respiratory Product

Q.20:- Bauxite is an alloy of which of the following metals ?

  1. Aluminium
  2. Silver
  3. Tin
  4. Iron

Q.21:- Which of the following elements is non-radioactive ?

  1. Uranium
  2. Thorium
  3. Plutonium
  4. Zirconium

Q.22:- Cooking gas is a mixture of ?

  1. Methane and Ethylene
  2. Carbon Dioxide and Oxygen
  3. Butane and Propane
  4. Carbon Monoxide and Carbon Dioxide

Q.23:- Cement is formed by strongly heating a mixture of ?

  1. Limestone and Graphite
  2. Limestone and Clay
  3. Chalk and Graphite
  4. Clay and Graphite

Q.24:- Hydrogen bomb is based on the principle of ?

  1. Controlled fission reaction
  2. Uncontrolled fission reaction
  3. Controlled fusion reaction
  4. Uncontrolled fusion reaction

Q.25:- Rock salt is mineral containing ?

  1. Potassium
  2. Magnesium
  3. Sodium
  4. Iron

 

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