The Chennai School Of banking

GENERAL SCIENCE Chemistry - 03

Question No : 1

CNG used in automobiles to check pollution mainly consists of-
(1)CH_{4}
(2)CO_{2}
(3)N_{2}
(4)H_{2}

Question No : 2

The most commonly used substance in fluorescent tubes are-
(1) Sodium Oxide and Argon
(2) Sodium Vapour and Neon
(3) Mercury Vapour and Argon
(4) Mercuric Oxide and Neon

Question No : 3

Because of impurities the boiling point of a liquid-
(1) Increases
(2) Decreases
(3) Remains constant
(4) They are not related

Question No : 4

Alkali metals can –
(1) Be highly unstable at room temperature
(2) Vaporize at room temperature
(3) Easily gain electrons
(4) Easily lose electrons

Question No : 5

Aromatic hydrocarbons contain at least _____ benzene like ring in their molecules
(1) Four 
(2) Three
(3) Two
(4) One

Question No : 6

Using which of the following processes can one separate a solute from its solution?
(1) Sedimentation
(2) Evaporation
(3) Filtration
(4) Condensation

Question No : 7

Which drug is used to cure Hypertension?
(1) Risedronate
(2) Diazepam
(3) Folic Acid
(4) Hydralazine

Question No : 8

Snake venom is highly modified saliva containing _____
(1) Prototoxins
(2) Neutrotoxins
(3) Zootoxins
(4) Electrotoxins

Question No : 9

Which drug is used as an Anti-Inflammatory?
(1) Metformin
(2) Diazepam
(3) Latanoprost
(4) Prednisone

Question No : 10

Who invented Antibiotics?
(1) Joseph Lister
(2) William Harvey
(3) Robert Knock
(4) Alexander Fleming

Question No : 11

The common name of hydrogen peroxide is –
(1) Borax
(2) Bleach (liquid)
(3) Baking soda
(4) Gypsum

Question No : 12

Which of the following is the main end product of carbohydrate digestion?
(1) Fats  
(2) Lipids
(3) Glucose
(4) Cellulose

Question No : 13

Metals react with sodium hydroxide to produce _____
(1) Oxygen gas
(2) Sodium
(3) Water
(4) Hydrogen gas

Question No : 14

In which industry Potassium Nitrate is used commercially?
(1) Glass Manufacturing
(2) Electroplating
(3) Fire Cracker Manufacturing
(4) Leather Industry

Question No : 15

Process of gaining electrons is known as _____
(1) oxidation
(2) reduction
(3) radiation
(4) both oxidation and reduction

Question No : 16

Which base is present in milk of magnesia?
(1) Magnesium hydroxide
(2) Ammonium hydroxide
(3) Sodium hydroxide
(4) Calcium hydroxide

Question No : 17

Fire extinguishers emit which gas?
(1) Carbon monoxide
(2) Chlorine
(3) Carbon dioxide
(4) Nitrogen

Question No : 18

Highest percentage of carbon is found in which form of coal?
(1) Anthracite
(2) Bituminous
(3) Peat
(4) Lignite

Question No : 19

Name two elements that find wide application in transistor industry
(1) Silicon and Germanium
(2) Carbon and Platinum
(3) Iridium and Germanium
(4) Tungsten and Platinum

Question No : 20

Radioactive disintegration of uranium ultimately results in formation of –
(1) Radium
(2) Thorium
(3) Polonium
(4) Lead

Question No : 21

The residue left after extracting juice from sugar beet and sugarcane is called –
(1) Molasses
(2) Bagasse
(3) Whey
(4) Biomass

Question No : 22

Which one of he following catalysts is used in hydrogenation of vegetable oils?
(1) Zinc
(2) Platinum
(3) Nickel
(4) Iron

Question No : 23

In which of the following industries is mica used as a raw material-
(1) Iron and steel
(2) Toys
(3) Glass and pottery
(4) Electrical

Question No : 24

Which is the fundamental element of all organic compounds?
(1) Nitrogen
(2) Oxygen
(3) Carbon
(4) Silicon

Question No : 25

Which gas is used in fire extinguisher?
(1) Carbon dioxide
(2) Hydrogen
(3) Oxygen
(4) Sulphur dioxide

Question No : 26

Pasteurization is a process by which-
(1) Milk is preserved at a very low temperature for 24 hours
(2) Milk is heated for 8 hours
(3) First milk is heated up to a longer time and then cooled suddenly within specified time
(4) None of these

Question No : 27

When did the Bhopal Gas tragedy happen?
(1) 2-3 Dec. 1984
(2) 2-3 Nov. 1984
(3) 2-3 Dec. 1985
(4) 2-3 Nov. 1985

Question No : 28

The atoms, in which the number of protons is same but the number of neutrons is different, are known as –
(1) Isobars
(2) Isomers
(3) Isotones
(4) Isotopes

Question No : 29

The Nucleus of Helium has-
(1) Only one neutron
(2) Two protons
(3) Two protons and two neutrons
(4) One proton and two neutrons

Question No : 30

Automobile exhaust leads to a poisonous pollutant
(1) Carbon Dioxide
(2) Sulphur Dioxide
(3) Carbon Monoxide
(4) Nitrous Oxide

Question No : 31

----- gets converted to phosgene, when exposed to sunlight
(1) Chloroform
(2) Acetone
(3) Benzene
(4) Propylene

Question No : 32

The orange colour of carrot is because of –
(1) If grows in the soil
(2) Carotene
(3) It is not exposed to sunlight
(4) The entire plant is orange in colour

Question No : 33

Which of the following elements has the lowest melting point?
(1) Platinum
(2) Carbon
(3) Cobalt
(4) Krypton

Question No : 34

The Chemical formula of Urea is
(1)(NH_{4})_{2}CO_{2}
(2)(NH_{2})CO
(3)(NH_{4})_{2}CO
(4)(NH_{2})_{2}CO

Question No : 35

In an acid base reaction which product is produced along with a salt?
(1) Hydrogen gas
(2) Oxygen gas
(3) Carbon dioxide
(4) Water

Question No : 36

Which of the following is a characteristic of an exothermic reaction?
(1) Release of heat
(2) Absorption of heat
(3) Doesn’t involve any change in temperature
(4) None of the option is correct

Question No : 37

Which disease is caused by Nickel?
(1) Itai Itai
(2) Dermatitis
(3) Learning disability
(4) Asthma

Question No : 38

What is formed when Magnesium is burnt?
(1) Baking Soda
(2) Calcium Carbonate
(3) Ash
(4) Vinegar

Question No : 39

Brownish film formed on iron when left in open is called?
(1) Dust
(2) Shovel
(3) Spade
(4) Rust

Question No : 40

Which of the following is not soluble in water?
(1) Lead sulphate
(2) Zinc sulphate
(3) Potassium sulphate
(4) Sodium sulphate

Question No : 41

CaC_{2} on treatment with water gives –
(1) Methane
(2) Ethane
(3) Ethylene
(4) Acetylene

Question No : 42

The purest form of iron is –
(1) Cast iron
(2) Steel
(3) Pig iron
(4) Wrought iron

Question No : 43

Which of the toxic heavy metals is found in modern tannery industries?
(1) Nickel
(2) Zinc
(3) Chromium
(4) Lead

Question No : 44

Which metal exists as a common component in Brass, Bronze and German Silver?
(1) Antimony
(2) Copper
(3) Tin
(4) Zinc

Question No : 45

RDX was invented by
(1) Alfred Nobel
(2) Soddy
(3) Bergillins
(4) Henning

Question No : 46

Which acid is found in Vinegar?
(1) Lactic Acid
(2) Citric Acid
(3) Malic Acid
(4) Acetic Acid

Question No : 47

The chemical formula of Heavy Water is ?

Question No : 48

The predominant organic acid in grapes is –
(1) Formic acid
(2) Benzoic acid
(3) Lactic acid
(4) Tartaric acid

Question No : 49

The _{P}H -value for water is-
(1) Nearly zero
(2) Nearly 7
(3) 5 or less than 5
(4) 8.7 or more

Question No : 50

The reactions in which oxidation and reduction occur simultaneously are called -----
(1) Feral reactions         
(2) Redox reactions
(3) Demug reactions
(4) Kerol reactions