The Chennai School Of banking

GENERAL SCIENCE Chemistry - 01

Question No : 1

Which among the following is present inside the nucleus of an atom?
(1) Protons and Neutrons
(2) Electrons and Protons
(3) Neutrons and Electrons
(4) Neutrons, Protons, Electrons

Question No : 2

Which among the following is false about acids?
(1) They give H+ ions in aqueous solution
(2) Most acids contain hydrogen
(3) They turn blue litmus red
(4) They are bad conductor of electricity in aqueous solution

Question No : 3

What is the _{P}Hof water?
(1) 7       
(2) 5
(3) 3

(4) 1

Question No : 4

Vitamin A is also known as _____
(1) Thiamine
(2) Riboflavin
(3) Retinol
(4) Calciferol

Question No : 5

Which of the following elements has the lowest melting point?
(1) Iodine          
(2) Lead
(3) Tin
(4) Mercury

Question No : 6

Atomic number of which of the following elements is greater than that of Fluorine?
(1) Sodium
(2) Beryllium
(3) Nitrogen
(4) Boron

Question No : 7

The residual attractive or repulsive forces between molecules or atomic groups that do not arise from a covalent bond, or ionic bonds is called_____
(1) Neutral Bond
(2) Non Polar Bond
(3) Electro Valence bond
(4) Van der Walls bond

Question No : 8

Which of the following bonds are weakest in nature?
(1) Single bond
(2) Double bond
(3) Triple bond
(4) Hydrogen bond

Question No : 9

What are isobars?
(1) Elements with same atomic number but different mass number
(2) Elements with different atomic number but same mass number
(3) Elements with different atomic number and different mass number
(4) Elements with same atomic number and same mass number

Question No : 10

Which among the following is used to treat Indigestion?
(1) Antacid
(2) Antiseptic
(3) Analgesic
(4) Antibiotic

Question No : 11

_____acts as a shield absorbing ultraviolet radiation from the sun
(1) Troposphere
(2) Stratosphere
(3) Mesosphere
(4) Ionosphere

Question No : 12

Which one of the following takes place during a nuclear fusion?
(1) a heavy nucleus bombarded by neutrons breaks up
(2) a heavy nucleus breaks up spontaneously
(3) two light nuclei combine to form a heavy nucleus
(4) a light nucleus breaks up spontaneously

Question No : 13

Who had role in the discovery of the atom bomb?
(1) Madam Curie
(2) Pierre Curie
(3) Otto Hahn
(4) Albert Einstein

Question No : 14

Which one of the following fuels causes minimum air pollution?
(1) Kerosene oil
(2) Hydrogen
(3) Coal
(4) Diesel

Question No : 15

Of how many carats is the pure gold?
(1) 22     
(2) 24
(3) 28
(4) 20

Question No : 16

One carbon credit is equivalent to:
(1) 10 kg of CO_2
(2) 100 kg of CO_2
(3) 1000 kg of CO_2
(4) 10000 kg of CO_2

Question No : 17

The isoneutronic group, in the following, is:
(1) 6C12, 7N14, 8O16
(2) 6C12, 7N14, 8O18
(3) 6C14, 7N14, 8O16
(4) 6C14, 7N15, 8O16

Question No : 18

Which atmospheric layer contains ozone layer?
(1) Troposphere
(2) Mesosphere
(3) Stratosphere
(4) Ionosphere

Question No : 19

Heavy water is -----
(1) Monoterium oxide
(2) Polyterium oxide
(3) Deuterium oxide
(4) Trisium oxide

Question No : 20

The (O-H) bond in CH3OH is _____
(1) Polar covalent
(2) Ionic
(3) Non polar covalent
(4) Cationic

Question No : 21

The Chemical formula of Acetic acid is ______
(1)CH_{3}COH
(2)CH_{3}COOH
(3)CH_{3}COCH_{3}

(4)CH_{2}COOH

Question No : 22

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
(1) B2H6
(2) NF3
(3) CCl3F
(4) C6H6

Question No : 23

Which among the following metal is used for galvanization?
(1) Zinc  
(2) Copper
(3) Iron
(4) Silver

Question No : 24

Which acid is released when an Ant bites?
(1) Hydrochloric Acid
(2) Formic Acid
(3) Acetic Acid
(4) Phosphoric Acid

Question No : 25

Fog, clouds, mist are examples of _____
(1) Aerosol
(2) Solid sol
(3) Foam
(4) Gel

Question No : 26

Acetic Acid is another name for which of the following?
(1) Vinegar
(2) Baking Soda
(3) Copper Sulphate
(4) Magnesium Oxide

Question No : 27

Particulates (< 1 mm size) remaining suspended in air indefinitely and transported by wind currents are called
(1) Mists
(2) Fumes
(3) Aerosols
(4) Smoke

Question No : 28

Burning pyrites ore gives out-
(1) Carbon dioxide gas
(2) Sulphur dioxide gas
(3) Nitrogen dioxide gas
(4) Nitric oxide gas

Question No : 29

Which of the following is used to decolourise Brown Sugar Solution is –
(1) Coal
(2) Hydrochloric Acid
(3) Charcoal
(4) None of these

Question No : 30

Vinegar is chemically known as:
(1) Acetic acid
(2) Butyric acid
(3) Formic acid
(4) Tartaric acid

Question No : 31

Rodenticide is the chemical which is used to control
(1) Bats
(2) Monkeys
(3) Mouse
(4) Rabbits

Question No : 32

Which one of the following substances is used in the preservation of food stuff?
(1) Citric Acid
(2) Potassium Chloride
(3) Sodium Benzoate
(4) Sodium Chloride

Question No : 33

Bronze is an alloy of-
(1) Copper and Tin
(2) Copper and Silver
(3) Copper and Zinc
(4) Copper and Lead

Question No : 34

Which one of the following is liquid at ordinary temperature?
(1) Lead
(2) Nickel
(3) Mercury
(4) Tin

Question No : 35

Which one of the following chemicals helps in fruit ripening?
(1) Ethephon
(2) Atrazine
(3) Isoproturan
(4) Malathion

Question No : 36

Which of the following is not an example of Allotrope?
(1) Diamond      
(2) Graphite
(3) Ozone
(4) Steel

Question No : 37

_{P}Hof the human blood is _____
(1) Slightly Acidic
(2) Highly Acidic
(3) Slightly Basic
(4) Highly Basic

Question No : 38

What is an exothermic reaction?
(1) Reaction in which heat is released
(2) Reaction in which heat is absorbed
(3) Reaction in which neither heat is released nor absorbed
(4) None of these

Question No : 39

Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in-
(1) Conduction
(2) Convection
(3) Radiation
(4) Both conduction and convection

Question No : 40

Which acid is present in lemon?
(1) Formic acid
(2) Citric acid
(3) Lactic acid
(4) Tartaric acid

Question No : 41

The tip of the match-stick contains ____
(1) Phosphorous pentoxide
(2) White phosphorous
(3) Red phosphorous
(4) Phosphorus trichloride

Question No : 42

What is Teflon?
(1) Fluorocarbon
(2) Hydrocarbon
(3) Microbicides
(4) Insecticide

Question No : 43

Which of the following is mainly used for the production of Aluminium?
(1) Hematite
(2) Lignite
(3) Bauxite
(4) Magnetite

Question No : 44

‘Nobel Oil’ is the name of which one of the following explosives?
(1) TNG
(2) TNP
(3) TNA
(4) TNT

Question No : 45

Which one of the following mixtures is homogenous?
(1) Starch and sugar
(2) Methanol and water
(3) Graphite and charcoal
(4) Calcium carbonate and calcium bicarbonate

Question No : 46

Which one of the following is also called Stranger Gas?
(1) Argon
(2) Neon
(3) Xenon
(4) Nitrous Oxide

Question No : 47

Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)-
(1) Geiger counter
(2) Polarimeter
(3) Calorimeter
(4) Radiometer

Question No : 48

Which among the following is false about natural rubber?
(1) It is an plasterer
(2) It is a monomer of cisisoprene
(3) Natural rubber is a polymer of chloroprene
(4) It is heated with sulphur compounds to improve its properties

Question No : 49

Concentration of water vapour in troposphere is –
(1) 0-4% 
(2) 10-14% 
(3) 20-24%
(4) 30-34%

Question No : 50

Why do atoms bond?
(1) To reduce potential energy and gain stability
(2) To make atoms
(3) To increase potential energy and lose stability
(4) To increase potential energy and gain stability