CBES Board Class 10/CHEMICAL INDUSTRIES MCQS Sample Test,Sample questions

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Question: 
 Crude oil is converted into useful products by

1. drilling

2. Solvay process

3.roasting

4.refining

Question: 
 Number of carbon atoms per molecule in bitumen are

1. 14 to 20

2. 20 to 50

3.50 to 70

4.more than 70

Question: 
 Number of carbon atoms per molecule in diesel is

1.14 to 20

2.20 to 50

3.50 to 70

4.more than 70

Question: 
 Number of carbon atoms per molecule in LPG is

1. 1 to 4

2. 5 to 10

3. 8 to 12

4. 10 to 16

Question: 
 The raw materials for the Solvay process include

1.ammonia

2. brine

3. lime stone

4. all of above

Question: 
 Third step of metallurgy is

1.crushing grinding or pulverizing of the ore

2.concentration of the ore

3.extraction of metal

4.refining of metal

Question: 
Compounds which are added in the soil to provide essential elements to plants are called

1. carbonates

2. salts

3.fertilizers

4. metals

Question: 
In magnetic separation magnets are used to separate

1.mineral and gangue

2.metal and mineral

3.metal and gangue

4.iron and steel

Question: 
Metallic compounds that occur naturally are called

1. metal oxides

2. minerals

3. ores

4. none of above

Question: 
Naturally occurring metallic compounds are called

1. metalloids

2. minerals

3. hard solids

4. soft solids

Question: 
Number of carbon atoms per molecule in fuel oil is

1.14 to 20

2.20 to 50

3.50 to 70

4.70 to 90

Question: 
Number of carbon atoms per molecule in kerosene is

1.1 to 4

2.5 to 10

3.8 to 12

4.10 to 16

Question: 
Number of carbon atoms per molecule in lubricating oil is

1. 14 to 20

2. 20 to 50

3. 50 to 70

4. more than 70

Question: 
Number of carbon atoms per molecule in naphtha are



MCQ:

1. 1 to 4

2. 5 to 10

3. 8 to 12

4. 10 to 16

Question: 
Number of carbon atoms per molecule in Petrol is

1.1 to 4

2.5 to 10

3.8 to 12

4.10 to 16

Question: 
Ore of aluminum is called

1. hematite

2.chalcopyrite

3. bauxite

4. halite

Question: 
Ore of chromium is called

1. galena

2. zinc blende

3. cinnabar

4. chromite

Question: 
Ore of copper is called

1.hematite

2.chalcopyrite

3.bauxite

4.halite

Question: 
Ore of iron is called

1.hematite

2.bauxite

3.halite

4.None of them

Question: 
Ore of lead is called

1. galena

2. zinc blende

3. cinnabar

4.chromite

Question: 
Ore of mercury is called

1.galena

2.zinc blende

3.cinnabar

4.chromite

Question: 
Ore of silicon is called

1. galena

2. zinc blende

3.Cassiterite

4.silica

Question: 
Ore of sodium is called

1. hematite

2. chalcopyrite

3.bauxite

4.halite

Question: 
Ore of tin is called

1.galena

2.zinc blende

3.Cassiterite

4.silica

Question: 
Ore of zinc is called

1.galena

2.zinc blende

3.cinnabar

4.chromite

Question: 
Process in which metal ions are reduced to free metals is called

1.roasting

2.smelting

3.Bessemerization

4.concentration

Question: 
Process in which mineral is separated from the gangue by some physical method is called

1.crushing grinding or pulverizing of the ore

2.concentration of the ore

3.extraction of metal

4.refining of metal

Question: 
Process in which sodium carbonate is manufactured is called

1.calcination

2.metallurgy

3.Solvay process

4.carbonation

Question: 
Process in which some minerals are converted to the oxide by heating in the air at a temperature below their melting point is called

1. roasting

2. smelting

3. Bessemerization

4. concentration

Question: 
Raw materials for production of urea are

1.ammonia and carbon dioxide

2.oxygen and carbon dioxide

3.ammonia and oxygen

4.ammonia and phosphate

Question: 
Solvay process is used to make

1.potassium carbonate

2.sodium carbonate

3. NaCl

4.NaOH

Question: 
The boiling point of bitumen is

1.270 �C to 340 �C

2.350 �C to 500 �C

3.500 �C to 600 �C

4.more than 500 �C

Question: 
The boiling point of fuel oil is

1. 270 �C to 340 �C

2. 350 �C to 500 �C

3. 500 �C to 600 �C

4. more than 500 �C

Question: 
The boiling point of kerosene is

1. below 20 �C

2. 35 �C to 70 �C

3. 70 �C to 120 �C

4. 170 �C to 250 �C

Question: 
The boiling point of LPG is

1. below 20 �C

2. 35 �C to 70 �C

3. 70 �C to 120 �C

4. 170 �C to 250 �C

Question: 
The boiling point of lubricating oil is

1. 270 �C to 340 �C

2. 350 �C to 500 �C

3. 500 �C to 600 �C

4. more than 500 �C

Question: 
The boiling point of naphtha is

1. below 20 �C

2. 35 �C to 70 �C

3. 70 �C to 120 �C

4. 170 �C to 250 �C

Question: 
The boiling point of petrol is

1.below 20 �C

2.170-120 �C

3.35-70 �C

4.270-340 �C

Question: 
The color of crude oil is

1.brownish black

2.white

3.transparent

4.light yellow

Question: 
The fertilizer which doesnt affect the texture of the soil is

1.urea

2.ammonium sulphate

3.ammonium phosphate

4.super phosphate

Question: 
The fifth step of the Solvay process is

1.preparation of ammonical brine

2.carbonation

3.preparation of carbon dioxide and slaked lime

4.recovery of ammonia

Question: 
The first step of metallurgy is

1.crushing grinding or pulverizing of the ore

2.concentration of the ore

3.extraction of metal

4.refining of metal

Question: 
The first step of the Solvay process is

1.preparation of ammonical brine

2.carbonation

3.filtration

4.calcination

Question: 
The fourth step of the Solvay process is

1.preparation of ammonical brine

2.carbonation

3.filtration

4.calcination

Question: 
The last step of metallurgy is

1. crushing grinding or pulverizing of the ore

2. concentration of the ore

3. extraction of metal

4. refining of metal

Question: 
The percentage of nitrogen (N) in urea (CH4N2O) is

1. 0.5

2.0.466

3.0.4

4.0.2

Question: 
The process in which metal is separated from its ore and prepared for use is called

1.metallurgy

2.mining

3.crushing

4.Solvay process

Question: 
The process of converting minerals into oxides is called

1.smelting

2.reigning

3.roasting

4.Bessemerization

Question: 
The process of separating metal from ore is called

1. magnetic separation

2. floatation process

3. metallurgy

4. cyclone separation

Question: 
The process of smelting involves the

1.reduction of metal oxides

2.oxidation of minerals

3.oxidation of metals

4.melting of metals

Question: 
The second step of metallurgy is

1.crushing grinding or pulverizing of the ore

2.concentration of the ore

3.extraction of metal

4.refining of metal

Question: 
The second step of the Solvay process is

1.preparation of ammonical brine

2.carbonation

3.filtration

4.calcination

Question: 
The third step of the Solvay process is

1. preparation of ammonical brine

2. carbonation

3.filtration

4.calcination

Question: 
What are the raw materials used in the Solvay process?

1.ammonia

2.brine

3.lime stone

Question: 
When earths crust is drilled the hydrocarbon came out first is

1.petroleum

2.methane

3.ethane

4.butane

Question: 
Which of the following is used as a chemical feedstock for making drugs plastics and other chemicals?

1.Liquid Petroleum Gas (LPG)

2.petrol

3.naphtha

4.kerosene

Question: 
Which of the following is used as a fuel for buses trucks and trains?

1. diesel

2. lubricating oil

3. fuel oil

4. bitumen

Question: 
Which of the following is used as a fuel for jet planes?

1.Liquefied petroleum gas (LPG)

2.petrol

3.naphtha

4.kerosene

Question: 
Which of the following is used as a fuel for motor cars and vehicles?

1. Liquid Petroleum Gas (LPG)

2.petrol

3.naphtha

4.kerosene

Question: 
Which of the following is used as a fuel for power stations factories and ships?

1. diesel

2. lubricating oil

3. fuel oil

4. bitumen

Question: 
Which of the following is used as a lubricant for machines and engines?

1.diesel

2.lubricating oil

3.fuel oil

4.bitumen

Question: 
Which of the following is used as cylinder gas for cooking?







MCQ:

1.Liquefied petroleum gas (LPG)

2.petrol

3.naphtha

4.kerosene

Question: 
Which of the following used in paving roads and making roofing material?

1. diesel

2. lubricating oil

3. fuel oil

4. bitumen

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