GK/General Science-I Sample Test,Sample questions

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Question: Actinides are the elements with atomic numbers belongs from

1.89 to 103

2.97 to 104

3.101 to 115

4.None of the above

Question: Balloons are filled with which of the following gas?

1.Helium

2.Hydrogen

3.Oxygen

4.All of the above

Question: Bromine is a

1.Red liquid

2.Black Solid

3.Colourless Gas

4.All of the above

Question: Chlorophyll is a naturally occurring chelate compound in which central metal is which of the following?

1.Calcium

2.Magnesium

3.Iron

4.Copper

Question: Complete the sentence Electric bulb filament is made of which among the following substance?

1.Iron

2.Tungsten

3.Lead

4.Copper

Question: Complete the sentence from the optionsQuartz crystals normally used in quartz clocks etc. is chemically _____ .

1.Sodium Silicate

2.Silicon Dioxide

3.Germanium Oxide

4.A mixture of Germanium Oxide and Silicon dioxide

Question: Diamond is an allotropic form of which of the following substance?

1.Carbon

2.Germanium

3.Sulphur

4.Silicon

Question: Features of some various allotrope of carbon

1.Diamond is the hardest, graphite is the softest

2.Diamond is the hardest, coke is the softest

3.Coke is the hardest, graphite is the softest

4.None

Question: Fill on the blanks: The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of ____

1.Sulphur

2.Bromine

3.Fluorine

4.Chlorine

Question: From which of the following mineral is radium obtained?

1.Haematite

2.Pitchblende

3.Rutile

4.Limestone

Question: Galvanised iron sheets have a coating of

1.Zinc

2.Tin

3.Lead

4.All

Question: In fireworks, the green flame is produced because of

1.Barium

2.Sodium

3.Potassium

4.Mercury

Question: In which of the following activities silicon carbide is used?

1.Making casts for statues

2.Making cement and glass

3.Disinfecting water of ponds

4.Cutting very hard substances

Question: LPG consists of mainly which of the following substances?

1.Methane, Hexane and Nonane

2.Methane, Ethane and Hexane

3.Ethane, Hexane and Nonane

4.Methane, Butane and Propane

Question: Monazite is an ore of which of the following substance?

1.Titanium

2.Thorium

3.Zirconium

4.Iron

Question: Non stick cooking utensils are coated with which among the following substance?

1.Teflon

2.PVC

3.Black paint

4.None of the above

Question: Potassium nitrate is used in which help?

1.Fertilizer

2.Medicine

3.Glass

4.Salt

Question: Sodium metal is kept under which of the following substance?

1.Alcohol

2.Water

3.Kerosene

4.Petrol

Question: Tetraethyl lead is use in which of the following purpose?

1.Fire Extinguisher

2.Pain Killer

3.Mosquito Repellent

4.Petrol Additive

Question: The filament of an electric bulb is made of which of the following substance?

1.Iron

2.Tungsten

3.Nichrome

4.All

Question: The gases used in different types of welding would include

1.Oxygen, Hydrogen, Acetylene and Nitrogen

2.Oxygen and Acetylene

3.Oxygen and Hydrogen

4.Oxygen, Acetylene and Argon

Question: The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is

1.Xenon

2.Argon

3.Helium

4.Krypton

Question: The list of Green House Gases are as follows:

1.Water vapor and Carbon dioxide

2.Methane and Nitrous oxide

3.Ozone and Chlorofluorocarbons

4.All of the above

Question: The most important ore of aluminum is called?

1.Bauxite

2.Calcite

3.Galena

4.Calamine

Question: The variety of coal in which the deposit contains recognizable traces of the original plant material is

1.Bitumen

2.Lignite

3.Peat

4.Anthracite

Question: Washing soda is the common name for which of the following?

1.Sodium Carbonate

2.Calcium Bicarbonate

3.Calcium Carbonate

4.Sodium Bicarbonate

Question: What are the name of two elements that are frequently used for making transistors ?

1.Silicon and Germanium

2.Boron and Aluminium

3.Niobium and Columbium

4.Iridium and Tungsten

Question: What is the name of element which is common to all acids?

1.Oxygen

2.Sulphur

3.Carbon

4.Hydrogen

Question: What is the name of gas which is not known as green house gas?

1.Carbon dioxide

2.Hydrogen

3.Nitrous oxide

4.Methane

Question: What is the name of group of metals Fe, Co, Ni ?

1.Rare metal

2.Transition metals

3.Alkali metals

4.Maun group metal

Question: What is the name of hardest substance available on earth ?

1.Iron

2.Daimond

3.Gold

4.None of the above

Question: What is the name of Heavy water ?

1.Rain water

2.Deuterium oxide

3.PH7

4.Tritium oxide

Question: What is the name of property of a substance to absorb moisture from the air on exposure ?

1.Efflorescence

2.Osmosis

3.Desiccation

4.Deliquescence

Question: What is the name of substa substance which is used in pencils?

1.Silicon

2.Graphite

3.Both A and B

4.None

Question: What is the name of substance which is in liquid form at room temperature?

1.Cerium

2.Sodium

3.Lithium

4.Francium

Question: What is the name of that metal which forms an amalgam with other metals?

1.Mercury

2.Lead

3.Tin

4.Zinc

Question: What is the name of that substance by their adition , Permanent hardness of water may be removed

1.Alum

2.Sodium Carbonate

3.Lime

4.Potassium Permanganate

Question: What is the name of that substance which is used as a lubricant?

1.Silica

2.Graphite

3.Daimond

4.Iron Oxide

Question: What is the name of the gas by which Brass gets discoloured in air ?

1.Carbon mono oxide

2.Carbon Di oxide

3.Oxygen

4.Hydrogen Sulphide

Question: What is the name of the laughing gas?

1.Sulphur dioxide

2.Nitrous Oxide

3.Carbon monoxide

4.Hydrogen peroxide

Question: What is the name of the Marsh gas ?

1.Ethane

2.Methane

3.Nitrogen

4.Hydrogen

Question: What is the name used when Carbon, diamond and graphit are together?

1.Isomers

2.Allotrope

3.Isotopes

4.Isomorphs

Question: What is the percentage of the average salinity of sea water?

1.2.5%

2.3%

3.3.5%

4.4%

Question: What is true for Air, Air is a

1.Compound

2.Electrolytes

3.Element

4.Mixture

Question: What we can say when the tree sends down roots from its branches to the soil?

1.Banyan

2.Oak

3.Pine

4.Palm

Question: When an iron nail gets rusted, iron oxide is formed

1.With decrease in the weight of the nail

2.With increase in the weight of the nail

3.Without any change in the weight of the nail

4.None of the above

Question: Which among the following substance is most soluble in water?

1.Sulphur

2.Camphor

3.Sugar

4.Common salt

Question: Which of the following is a non metal that remains liquid at room temperature?

1.Bromine

2.Phosphorous

3.Helium

4.Chlorine

Question: Which of the following was to be discovered first in the chromospheres of the sun?

1.Neon

2.Krypton

3.Helium

4.None of the above

Question: Which substance contain by the soda water?

1.Sulphuric acid

2.Carbonic acid

3.Carbon dioxide

4.Mixer of All of the above

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