The Chennai School Of banking

GENERAL SCIENCE Chemistry - 05

Question No : 1

Question No : 2

Baking soda is-
(1) Sodium Chloride
(2) Sodium Bicarbonate
(3) Baking Soda
(4) Sodium Hydroxide
 

Question No : 3

Galvanized iron is coated with-
(1) Aluminium
(2) Galena
(3) Silver
(4) Zinc

Question No : 4

Assertion (A): Detergent easily removes oil and dirt from dirty garments
Reason (R): Detergent increases the surface tension of water
Code:
(1) Both (A) and (R) are true and (R) is the correct explanation of (A)
(2) Both (A) and (R) are true but (R) is not the correct explanation of (A)
(3) (A) is true but (R) is false
(4) (A) is false but (R) is true

Question No : 5

What is the mass number of an element, the atom of which contains two protons, two neutrons and two electrons?
(1) 2       
(2) 4
(3) 6
(4) 8

Question No : 6

Which one of the following pairs is correctly matched?
(1) Silver Iodide Horn Silver
(2) Silver Chloride Artificial rain
(3) Zinc Phosphide Rat poison
(4) Zinc Sulphide Philosopher’s wool

Question No : 7

What is the shape of Sulphur hexafluoride molecule?
(1) Trigonal pyramid
(2) Octahedral
(3) Planar
(4) Tetrahedral

Question No : 8

Iodised salt is beneficial for –
(1) Lowering of blood pressure
(2) Prevention of dehydration
(3) Thyroid function
(4) Salivary glands

Question No : 9

Tear gas used by the police to disperse the mob contains –
(1) Carbon dioxide
(2) Chlorine
(3) Ammonia
(4) Hydrogen sulphide

Question No : 10

The antiparticle of an electron is –
(1) Positron
(2) Proton
(3) Alpha particles
(4) Beta particles

Question No : 11

_____gives hardness to stainless steel
(1) Zinc
(2) Lead
(3) Carbon
(4) Tin

Question No : 12

A _____thread is actually stronger than a steel wire
(1) Wool
(2) Cotton
(3) Jute
(4) Nylon

Question No : 13

Which of the following is an ore of iron?
(1) Dolomite
(2) Epsom Salt
(3) Siderite
(4) Galena

Question No : 14

What is the name of the acid in grapes?
(1) Lactic acid
(2) Formic acid
(3) Acetic acid
(4) Tartaric acid

Question No : 15

What is nature of pH of Milk?
(1) Slightly Acidic
(2) Slightly Basic
(3) Highly Acidic
(4) Highly Basic

Question No : 16

Which of the following pairs is INCORRECT?
I. Haematite : Iron
II.Pitchblende : Copper
III. Monazite : Thorium
(1) Only I           
(2) Only II
(3) Only I and II
(4) Only I and III

Question No : 17

What is the process of melting also called?
(1) Fusion          
(2) Galvanisation
(3) Crystallisation
(4) Evaporation

Question No : 18

Rusting is_____
(1) Electrolysis
(2) Oxidation
(3) Redox
(4) Reduction

Question No : 19

The Chemical formula of Cadmium nitrate is _____

Question No : 20

What happens when one S and one P orbital is hybridized?
(1) We get three orbitals in a plane
(2) We get two orbitals at 180 degrees
(3) We get two mutually perpendicular orbitals
(4) We get four orbitals directed tetrahedrally

Question No : 21

The poisonous gas accidentally released in Bhopal Gas Tragedy is –
(1) Methane       
(2) Nitrous Oxide
(3) Methyl Isocyanate
(4) Cyanogen

Question No : 22

Which among the following elements has highest Electronegativity?
(1) Gallium        
(2) Sodium
(3) Arsenic
(4) Caesium

Question No : 23

-----fiber is used in making bulletproof vests
(1) Nylon-66
(2) Terylene
(3) Kevlar
(4) Lexan

Question No : 24

There is a protocol signed to reduce production of CFC, known as –
(1) CFC Protocol
(2) IR Protocol
(3) Montreal Protocol
(4) UV Protocol

Question No : 25

Ethylene is a _____molecule
(1) polar
(2) ionic
(3) covalent
(4) nonpolar

Question No : 26

Name the catalyst used in the conversion of milk into curd?
(1) Pepsin          
(2) Invertase
(3) Lactase
(4) Diastase

Question No : 27

Which of the following gas contributes the maximum to the phenomena of global warming?
(1) Methane
(2) Chlorofluorocarbon (CFC)
(3) Nitrogen dioxide
(4) Carbon dioxide

Question No : 28

Which of the following metal (shown by its symbol) is generally used for making filaments of bulb?
(1) Fe
(2) An
(3) Ag
(4) W

Question No : 29

Which of the following is also known as Carbolic Acid?
(1) Phenol
(2) Hydroxide
(3) Sulphuric Acid
(4) Ethanol

Question No : 30

The melting point of ice is _____K
(1) 253.16
(2) 263.16
(3) 273.16
(4) 283.16

Question No : 31

What is formed when Carbon Dioxide is passed through Lime Water?
(1) Copper Sulphate
(2) Calcium Carbonate
(3) Magnesium Oxide
(4) Baking Soda

Question No : 32

Silver gets corroded due to _____in air
(1) Oxygen
(2) Hydrogen Sulphide
(3) Carbon dioxide
(4) Nitrogen

Question No : 33

Nitric acid does not react with –
(1) Gold
(2) Copper
(3) Zinc
(4) Iron

Question No : 34

Name the gas used in preparation of bleaching powder-
(1) Oxygen
(2) Hydrogen
(3) Nitrogen
(4) Chlorine

Question No : 35

Ozone consists of –
(1) oxygen only
(2) oxygen and nitrogen
(3) hydrogen and carbon
(4) oxygen and carbon

Question No : 36

 Aspirin is common name of –
(1) Salicylic acid
(2) Salicylate
(3) Methyl salicylate
(4) Acetyl salicylic acid

Question No : 37

The main source of carbon monoxide in –
(1) Industrial process
(2) Agricultural activities
(3) Combustion of fossil fuels
(4) Solid waste disposal

Question No : 38

The gas usually filled in the electric bulb with Argon is –
(1) Nitrogen
(2) Hydrogen
(3) Carbon dioxide
(4) Oxygen

Question No : 39

Which of the following do not consist carbon?
(1) Diamond
(2) Graphite
(3) coal
(4) None of these

Question No : 40

Which of the following is a fossil fuel?
(1) Alcohol
(2) Ether
(3) Water gas
(4) Natural gas

Question No : 41

Which of the following is not a part of an atom?
(1) Electron
(2) Proton
(3) Neutron
(4) Photon

Question No : 42

Which one of the following chemicals had been in use till now for making artificial clouds?
(1) Potassium Nitrate
(2) Heavy Water
(3) Sulphur Iodide
(4) Silver Iodide

Question No : 43

Which one of the following is not an explosive:
(1) Trinitrotoluene (TNT)
(2) Trinitroglycerine
(3) Cyclotrimethylene Trinitramine (RDX)
(4) Nitrocholoroform

Question No : 44

The main component of Liquid Petroleum Gas (LPG) are:
(1) Methane, Ethane and Hexane
(2) Methane, Pentane and Hexane
(3) Propane and Butane
(4) Methane, Carbon Monoxide and Hydrogen

Question No : 45

CNG is-
(1) Compressed Natural Gas
(2) Cyanogen Natural Gas
(3) Condensed Nitrogen Gas
(4) Controlled Natural Gas

Question No : 46

_____fiber is used in making bristles for brushes
(1) Kevlar
(2) Nylon-66
(3) Terylene
(4) Lexan

Question No : 47

Which among the following is false about alpha particles?
(1) They have high ionizing power
(2) They have high penetrating power
(3) They have high kinetic energy
(4) They are positively charged helium nuclei

Question No : 48

Why metals conduct electricity?
(1) Because of low melting point
(2) Because of high tensile strength
(3) Because of free electrons
(4) Because of high atomic density

Question No : 49

DNA stands for _____
(1) Di Nucleic Acid
(2) Deoxynucleic Acid
(3) Diribonucleic Acid
(4) Deoxyribonucleic Acid

Question No : 50

Ethane gas has a slightly_____taste
(1) Sweet
(2) Bitter
(3) Sour
(4) Salty