Chemistry/G.K Question and Answer - Chemistry MCQs Set III Sample Test,Sample questions

Question:
Aluminium metal is extracted mainly from its ore:

1.Magnetite

2.Bauxite

3.Dolomite

4.Lime Pigment

Posted Date:-2021-03-07 02:34:24


Question:
 From which of the following ore, iron is extracted?

1. Lime stone

2.Pinch blend

3.Monazite sand

4.Haematite

Posted Date:-2021-03-07 02:34:24


Question:
 In the contest of an alternative sources of energy and practical bio-fuel ethanol can be obtained from-which of the following?

1.Potato

2.Paddy

3.Sugarcane

4.Wheat

Posted Date:-2021-03-07 02:34:24


Question:
 In the earth crust although the amount of aluminium is more than iron, however aluminium is costly than iron because:

1.Aluminium is more useful than iron

2.Aluminium forms more alloys than iron

3.Aluminium made equipments are more acceptable then iron equipments

4.The extraction processes of aluminium is more costly than extraction processes of iron

Posted Date:-2021-03-07 02:34:24


Question:
 The chemical utilized and employed as fixer in the photography is:

1.Sodium sulphate

2.Sodium thiosulphate

3.Ammonium per-sulphate

4.Borax

Posted Date:-2021-03-07 02:34:24


Question:
 The coating of thin layer of the zinc on the steel or iron utensils is called:

1.Heat feeding

2.Material plating

3.Lamination

4.Electro plating

Posted Date:-2021-03-07 02:34:24


Question:
 The employed catalyst in the production of ammonia through the Haber's process is:

1.Nickel

2.Iron

3.Platinum

4.Molybdenum

Posted Date:-2021-03-07 02:34:24


Question:
 The gaseous mixture of carbon monoxide and nitrogen is called:

1.Coal gas

2.Water gas

3. Producer gas

4.Natural gas

Posted Date:-2021-03-07 02:34:24


Question:
 To provide stern hardness which of the following is mixed up?

1.Carbon

2.Manganese

3.Silicon

4.Chromium

Posted Date:-2021-03-07 02:34:24


Question:
 What will be the change when iron get rusted?

1.Its weight is increased

2. Its weight is decreased

3.No changes take place

4.Its weight change

Posted Date:-2021-03-07 02:34:24


Question:
 Which of the following is the heaviest metal?

1.Silver

2.Gold

3.Mercury

4.Platinum

Posted Date:-2021-03-07 02:34:24


Question:
 Which of the following statement is true regarding the aluminium?

1. Aluminium hydroxide is amphoteric in nature

2.Aluminium exists in the Free State in nature

3.Nitric acid does not react with the aluminium

4.Hot and concentrated H2SO4 directly react with oxygen in which SO2 gas is released

Posted Date:-2021-03-07 02:34:24


Question:
 Who propounded the modern periodic law?

1.Newlands

2. Dobrenor

3.Mendeleev

4.Moseley

Posted Date:-2021-03-07 02:34:24


Question:
Blue Vitriol is:

1.Copper sulphate

2. Iron sulphate

3. Calcium sulphate

4.Sodium sulphate

Posted Date:-2021-03-07 02:34:24


Question:
For the installation of aluminium plants in India, the minimum required parameter other than bauxite is:

1.Coke

2.Electricity

3.Labour

4.Market

Posted Date:-2021-03-07 02:34:24


Question:
Galena is the ore of the metal:

1. Silver

2.Lead

3.Mercury

4. Aluminium

Posted Date:-2021-03-07 02:34:24


Question:
In L.P.G. the main component is:

1. Methane

2.Carbon dioxide

3.Butane

4.Sulphur dioxide

Posted Date:-2021-03-07 02:34:24


Question:
In the ocean-water which of the following salt has its maximum contribution in the salinity:

1.Calcium sulphate

2.Magnesium chloride

3.Magnesium iodide

4. Sodium chloride

Posted Date:-2021-03-07 02:34:24


Question:
The catalyst used in the lead chamber process is:

1.Oxide of the nitrogen

2.Platinum

3.Nickel

4.MnO2

Posted Date:-2021-03-07 02:34:24


Question:
Monozite is the ore of:

1.Zirconium

2.Thorium

3.Titanium

4.Iron

Posted Date:-2021-03-07 02:34:24


Question:
On what basis, the Mendeleev periodic table is classified?

1.Atomic mass

2.Atomic number

3. Atomic volume

4.Atomic density

Posted Date:-2021-03-07 02:34:24


Question:
The anti-knocking properties of any fuel exhibit:

1.Golden number

2.Natural number

3.Octane number

4.Mach number

Posted Date:-2021-03-07 02:34:24


Question:
The basis of the classification of the element in the modern periodic table is:

1.Atomic number

2.Atomic mass

3.Atomic volume

4.Atomic density

Posted Date:-2021-03-07 02:34:24


Question:
The catalyst employed in the production of H2S04 by the Contact process is:

1.The pieces (powder) of iron

2.The pieces (powder) of platinum

3.Oxide of nitrogen

4.Nickel metal

Posted Date:-2021-03-07 02:34:24


Question:
The chemical formula of the plaster of Paris is:

1.CaS04.5H2O

2.2CaS04. H2O

3.(CaS04)2. 2H2O    

4. CaSO4. MgO

Posted Date:-2021-03-07 02:34:24


Question:
The chemical formula of washing soda is :

1.NaOH

2.Ca (OH)2

3.NaOHC03

4.Na2C03.10H2O

Posted Date:-2021-03-07 02:34:24


Question:
The concentration process of sulphide ores is:

1.Gravity separation process

2.Magnetic separation process

3.Forth floatation process

4.Physical process

Posted Date:-2021-03-07 02:34:24


Question:
The element radium was extracted from:

1.Lime stone

2.Pinch blend

3.Retile

4.Haematite  

Posted Date:-2021-03-07 02:34:24


Question:
The extremely soft mineral, talk (soap stone) is mainly:

1.Manganese silicate

2.Sodium silicate

3.Sodium phosphate

4.Magnesium silicate

Posted Date:-2021-03-07 02:34:24


Question:
The main component of the natural gas is:

1.Methane

2.Ethane

3.Propane

4. Butane

Posted Date:-2021-03-07 02:34:24


Question:
The main ore of the mercury is:

1.Cinnabar

2.Pyrite

3.Bauxite

4.Pyrolusite

Posted Date:-2021-03-07 02:34:24


Question:
The percentage amount of carbon in the various types of coal is different, in which of the following its percentage would be the most:

1. Peat

2.Lignite

3.Bituminous

4.Anthracite

Posted Date:-2021-03-07 02:34:24


Question:
The process employed to remove the magnetic impurities from the Ores is called:

1.Gravity separation process

2.Magnetic separation process

3.Forth floatation process

4.Physical process

Posted Date:-2021-03-07 02:34:24


Question:
The sharp (bitter) smell of the substance which is found in the colouration or painting is:

1.CaOH

2.Al2 (S04)3

3.CaC03

4.Zn3(P04)2

Posted Date:-2021-03-07 02:34:24


Question:
The substance employed and frequently used in the fluorescent tube is:

1.Sodium oxide and argon

2.Sodium vapour and neon

3.Mercury vapour and argon

4.Mercury oxide and argon

Posted Date:-2021-03-07 02:34:24


Question:
The substance which is useful for the photography:

1.Silver Nitrate

2.Silver bromide

3.Sulphuric acid

4.Citric acid

Posted Date:-2021-03-07 02:34:24


Question:
When the water vapour is poured on the red heated coke then the mixture of carbon monoxide and hydrogen gas is obtained which is:

1.Coal gas

2.Water gas

3.Producer gas

4.Bio gas

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following element is mixed up for making steel which can resist high temperature and which has high level hardness and anti-frictional resistivity?

1. Aluminium

2.Chromium

3. Nickel

4.Tungsten

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following has the maximum calorific value?

1.Hydrogen

2.Charcoal

3.Natural gas

4.Gasoline

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following is called as the brown coal?

1.Peat

2.Lignite

3.Bituminous

4.Anthracite

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following is the chemical name of the lime stone?

1.Calcium chloride

2.Calcium oxide

3.Calcium carbonate

4.Calcium sulphate

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following is the lightest element?  

1.Hydrogen

2.Helium

3.Mercury

4.Platinum

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following is the lightest metal?  

1.Magnesium

2. Aluminium

3.Platinum

4.Lithium

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following is the most fundamental property of the element?

1.Atomic weight

2.Molecular weight

3.Atomic number

4.Atomic density

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following metal is liquid at ordinary temperature?

1.Lead

2.Mercury

3.Nickel

4.Tin

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following metal is the best conductor of the electricity?

1.Gold

2.Silver

3.Copper

4.Zinc

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following metal is the heaviest?

1. Silver

2.Copper  

3. Gold

4.Lead

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following metal is used in the accumulator cell?

1.Copper

2. Lead

3. Aluminium

4.Zinc

Posted Date:-2021-03-07 02:34:24


Question:
Which of the following would produce minimum environmental pollution?

1.Diesel

2.Coal

3.Hydrogen

4.Kerosene

Posted Date:-2021-03-07 02:34:24


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