The Chennai School Of banking

GENERAL SCIENCE Chemistry - 02

Question No : 1

What is the formula of potassium ion whose configuration is same as the noble gas state?
(1) K+
(2) K2+
(3) K2-
(4) K-

Question No : 2

Beryllium loses _____electrons to achieve noble gas electron configuration
(1) 1
(2) 2
(3) 3
(4) 4

Question No : 3

Atomic Number of Hydrogen is _____
(1) 4
(2) 3
(3) 2
(1) 1

Question No : 4

Magnesium (Mg) + Oxygen (O_{2}) = ?
(1) Mg2O
(2) MgO4
(3) O2Mg
(4) MgO

Question No : 5

What is the chemical formula for Sodium Chloride (Salt)?
(1)NaCl_{2}
(2) NaCl
(3)Na_{2}Cl
(4)Na_{2}C

Question No : 6

What is the common name of CaOCl_{2}?
(1) Baking Powder
(2) Baking Soda
(3) Bleaching Powder
(4) Washing Soda

Question No : 7

What are the main components of Bronze Alloy?
(1) Copper and Zinc
(2) Copper and Tin
(3) Zinc and Nickel
(4) Aluminium and Nickel

Question No : 8

Crystallisation is an example of?
(1) Physical Change
(2) Chemical Change
(3) Chemical Reaction
(4) Galvanisation

Question No : 9

Ultraviolet radiation in the stratosphere is absorbed by -
(1) SO2
(2) Ozone
(3) Oxygen
(4) Argon

Question No : 10

The depletion in Ozone layer is caused by _____
(1) Nitrous oxide
(2) Carbon dioxide
(3) Chlorofluorocarbons
(4) Methane

Question No : 11

According to kinetic theory of gases, at the temperature absolute zero, the gas molecules-
(1) start movement
(2) become mass less
(3) start emitting light
(4) stop movement

Question No : 12

Which of the following metals has least melting point?
(1) Gold
(2) Silver
(3) Mercury
(4) Copper

Question No : 13

Formation of ozone hole is maximum over –
(1) Africa
(2) India
(3) Antarctica
(4) Europe

Question No : 14

Which is the most abundant element after Oxygen?
(1) Silicon
(2) Carbon
(3) Sodium
(4) Chlorine

Question No : 15

The plants receive Nitrogen in form of:
(1) Nitric oxide
(2) Nitrate
(3) Ammonia
(4) Nitride

Question No : 16

Isotope ^{14}C_{6} is associated with-
(1) For cancer diagnosis
(2) Determining the age of the earth
(3) Determining the age of fossil
(4) For traler technology

Question No : 17

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

Question No : 18

Which one of the following is used in the manufacture of soaps?
(1) Vegetable oil
(2) Mobil oil
(3) Kerosene oil
(4) Cutting oil

Question No : 19

Which is the purest form of water?
(1) Tap water
(2) Sea water
(3) Rain water
(4) Distilled water

Question No : 20

Which of the following main elements is used in making matchbox?
(1) Graphite
(2) Phosphorous
(3) Silicon
(4) Sodium

Question No : 21

Octane number is a measure of the quality of-
(1) Edible oils
(2) Petrol
(3) Kerosene oil
(4) Perfumed oil

Question No : 22

Dry ice is-
(1) Solid water
(2) Mountain ice
(3) Solid CO_2
(4) Solid carbon mono oxide

Question No : 23

Process of solid camphor into camphor vapour is called
(1) Vaporisation
(2) Freezing
(3) Melting
(4) Sublimation

Question No : 24

Which of the following is an antidiabatic drug?
(1) Insulin
(2) Penicillin
(3) Chloroquine
(4) Aspirin

Question No : 25

Which among the following is an endothermic reaction?
(1) Respiration
(2) Combustion
(3) Sweating
(4) Burning of natural gas

Question No : 26

Carnotite is an ore/mineral of _____
(1) Beryllium
(2) Chromium
(3) Uranium
(4) Copper

Question No : 27

_____is a polar covalent bond
(1) P-Cl
(2) Ne-Ne
(3) Cl-Cl
(4) Ca-Cl

Question No : 28

What does Trypsin do?
(1) Breaks down Carbohydrates
(2) Synthesizes proteins
(3) Breaks down fats
(4) Breaks down proteins

Question No : 29

Which among the following compounds has the strongest hydrogen bond?
(1) HI    
(2) HCl              
(3) HF
(4) HBr

Question No : 30

Which of the following elements has the lowest melting point?
(1) Sodium
(2) Tin
(3) Radon
(4) Radium

Question No : 31

Which of the following elements has the lowest melting point?
(1) Titanium
(2) Tungsten
(3) Argon
(4) Nickel

Question No : 32

Which of the following are highly compressible?
(1) Solid
(2) Liquid
(3) Gas
(4) Solid and Liquid

Question No : 33

Which of the following is the most abundant metal on Earth’s crust?
(1) Magnesium
(2) Iron
(3) Copper
(4) Aluminium

Question No : 34

Which of the following gases is heavier than oxygen?
(1) Carbon dioxide
(2) Ammonia
(3) Methane
(4) Helium

Question No : 35

Who invented Dynamite?
(1) J B Dunlop
(2) Alfred Nobel
(3) James Simons
(4) Peter Hargreaves

Question No : 36

What is the common name of Oil of Vitriol?
(1) Sulphuric acid
(2) Washing Powder
(3) Acetone
(4) Isopropyl alcohol

Question No : 37

_____is obtained by evaporation of sea
(1) Sugar
(2) Iron
(3) Salt
(4) Steel

Question No : 38

The salt concentration (measured as salinity in parts per thousand), is _____% in sea
(1) 10-20
(2) 30-35
(3) 40-50
(4) 60-70

Question No : 39

Bee sting contains _____
(1) An acidic liquid
(2) a salt solution
(3) an alkaline liquid
(4) a corrosive liquid

Question No : 40

Which of the following gases is known as “Laughing Gas”?
(1) Nitrous oxide
(2) Nitrogen peroxide
(3) Nitrogen
(4) Nitric oxide

Question No : 41

A substance which readily forms colloidal solution in contact with water is called –
(1) Extrinsic colloid
(2) Associated colloid
(3) Hydrophobic colloid
(4) Hydrophilic colloid

Question No : 42

Which of the following imparts a blue colour to glass?
(1) Cobalt Oxide
(2) Copper Oxide
(3) Iron Oxide
(4) Nickel Oxide

Question No : 43

What is the most commonly used substance is fluorescent tubes?
(1) Sodium oxide and Argon
(2) Sodium vapour and Neon
(3) Mercury vapour and Argon
(4) Mercury oxide and Neon

Question No : 44

The chemical formula of baking soda is:
(1)Ca(OH)_{2}
(2)NaHCO_{3}
(3)CaCO_{3}
(4)Na_{2}CO_{3}

Question No : 45

Isotones is that nuclei of atomic nucleus in which-
(1) Number of neutrons is same but number of protons is different
(2) Number of protons is same but number of neutrons is different
(3) Number of both protons and neutrons is same
(4) Number of both protons and neutrons is different

Question No : 46

Which one of the following is the hardest metal?
(1) Gold
(2) Iron
(3) Platinum
(4) Silver

Question No : 47

In a car battery, electrolyte substance used is-
(1) Hydrochloric acid
(2) Sulphuric acid
(3) Nitric acid
(4) Distilled water

Question No : 48

The gas used to inflate the tires of an aircraft is-
(1) Hydrogen
(2) Nitrogen
(3) Helium
(4) Neon

Question No : 49

Aspirin is obtained from-
(1) Petroleum
(2) Earth
(3) A tree
(4) Chemical reaction of acids

Question No : 50

‘Red ink’ is prepared from-
(1) Phenol
(2) Aniline
(3) Congo red
(4) Eosin