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

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

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