Chemistry (General Science): All SSC Exams Previous Years Questions Papers Solved Part 4

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Q.1:- Aspirin is common name of ?

  1. Salicylic Acid
  2. Salicylate
  3. Methyl Salicylate
  4. Acetyl Salicylic Acid

Q.2:- The substance that is added to make natural rubber strong and more bouncy is ?

  1. Polythene
  2. Sponge
  3. Sulphur
  4. Chlorine

Q.3:- Which of the following is used to iodise common salt ?

  1. Potassium Iodide
  2. Iodine
  3. Potassium Iodate
  4. Sodium Iodide

Q.4:- The enzyme that converts glucose to Ethyl Alcohol is ?

  1. Invertase
  2. Maltase
  3. Zymase
  4. Diastase

Q.5:- What is the most commonly used substance in fluorescent tubes ?

  1. Sodium Oxide and Argon
  2. Sodium Vapour and Neon
  3. Mercury Vapour and Argon
  4. Mercury Oxide and Neon

Q.6:- Milk is colloidal system in which ?

  1. Water is dispersed in fat
  2. Fat is dispersed in water
  3. Fat and water are dispersed in each other
  4. Fat is dissolved

Q.7:- When there are two electrons in the same orbital, they have ?

  1. Same spin
  2. Opposite spin
  3. Same or opposite spin
  4. No spin

Q.8:- Which among the following is a Carbohydrate ?

  1. Nylon
  2. Cane-Sugar
  3. Turpentine
  4. Hydrogen Peroxide

Q.9:- Bronze is an alloy of ?

  1. Copper and Zinc
  2. Tin and Zinc
  3. Copper and Tin
  4. Iron and Zinc

Q.10:- The acid used in lead storage cells is ?

  1. Phosphoric Acid
  2. Hydrochloride Acid
  3. Nitric Acid
  4. Sulphuric Acid

Q.11:- The effect of response produced by two or more chemicals are less than the sum of the effects or response that the chemical would produce individually is known as ?

  1. Antagonism
  2. Independent
  3. Additive
  4. Synergism

Q.12:- Which metal is the heaviest in periodic table among the following ?

  1. Os
  2. Pt
  3. Pb
  4. W

Q.13:- Which one of the following does not form Oxyacid ?

  1. Sulphur
  2. Chlorine
  3. Nitrogen
  4. Fluorine
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Q.14:- The depletion of Ozone Layer is mainly due to ?

  1. Volcanic Eruptions
  2. Aviation Fuels
  3. Radioactive Rays
  4. Chlorofluorocarbons

Q.15:- Browning of paper in old books is caused by ?

  1. Frequent use
  2. Lack of aeration
  3. Collection of dust
  4. Oxidation of cellulose

Q.16:- The inert gas which is substituted for Nitrogen in the air used by deep sea divers for breathing is ?

  1. Neon
  2. Krypton
  3. Argon
  4. Helium

Q.17:- Antacids are found in drugs that give relief to ?

  1. Eye sight
  2. Stomach ache
  3. Acne
  4. Headache

Q.18:- The degree of dissociation of an electrolyte depends on ?

  1. Dilution
  2. Impurities
  3. Atmospheric Pressure
  4. Method of Dissolution

Q.19:- Iron is prevented from rusting by coating with Zinc. This process is called as ?

  1. Galvanisation
  2. Corrosion
  3. Sublimation
  4. Reduction

Q.20:- Electric fuse is an Alloy of ?

  1. Tin and Lead
  2. Zinc and Lead
  3. Copper and Iron
  4. Carbon and Tin

Q.21:- Which one out of the following helps in burning ?

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

Q.22:- The hottest part of the gas flame is known as ?

  1. Blue Zone
  2. Non-Luminous Zone
  3. Luminous Zone
  4. Dark Zone

Q.23:- Urea is a ?

  1. Sodium Fertilizer
  2. Phosphatic Fertilizer
  3. Nitrogenous Fertilizer
  4. Potassium Fertilizer

Q.24:- Tear gas used by the police to disperse the mob contains ?

  1. Carbon Dioxide
  2. Chlorine
  3. Ammonia
  4. Hydrogen Sulphide

Q.25:- The chemical name of “Laughing Gas” is ?

  1. Nitric Oxide
  2. Nitrogen Dioxide
  3. Nitrogen Pentoxide
  4. Nitrous Oxide


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