Industrial Inorganic Chemistry

Question 1 of 32

1

Fill the blank spaces to complete the text.

What metals are in the reactivity series?
,sodium,lithium,,magnesium,,,,iron,,,,copper,,gold,platinum

Explanation

Question 2 of 32

1

What are the two methods of extracting metals from their ores?

Select one or more of the following:

Reduction with carbon
Oxidation
Electrolysis

Explanation

Question 3 of 32

1

The method chosen to extract metals are determined by the reactivity of the metal being extracted.

Select one of the following:

True
False

Explanation

Question 4 of 32

1

What happens in a displacement reaction?

Select one or more of the following:

A more reactive metal displaces a less reactive metal.
A less reactive metal displaces a more reactive metal.

Explanation

Question 5 of 32

1

Carbon is used to reduce metals from their ores. Is it because they are less reactive than the moderately reactive metals?

Select one of the following:

True
False

Explanation

Question 6 of 32

1

Fill the blank spaces to complete the text.

What are the raw materials needed for the extraction of iron?
,,coke and

Explanation

Question 7 of 32

1

Fill the blank spaces to complete the text.

1.) Coke and are continuously added to the of the furnace.
2.) is into the base of the furnace.
3.) Coke reacts with at the base to produce carbon dioxide.
4.) The the furnace and reacts with even more coke to produce the main reducing agent - .
5.) Carbon monoxide the haematite.
7.) Limestone is added to . It
8.) Calcium oxide reacts with the to produce slag.
9.) iron and sinks to the base of the furnace.

Explanation

Question 8 of 32

1

What is the chemical equation of the reduction of haematite?

Select one of the following:

C(s) + O2 (g) -> CO2 (g)
C (s) + CO2 (g) -> 2CO (g)
Fe2O3 (s) + 3CO (g) -> 2Fe (s) + 3CO2 (g)

Explanation

Question 9 of 32

1

This is the thermal decomposition of limestone.
CaO (s) + SiO2 (s) -> CaSiO3 (l)

Select one of the following:

True
False

Explanation

Question 10 of 32

1

Fill the blank spaces to complete the text.

1.) The tilting furnace is charged with (for recycling) and pig iron ().
2.) Oxygen is blown through an .
3.) The molten steel and impurities are poured out of the furnace when the furnace tilts in

Explanation

Question 11 of 32

1

Which of the below are alloy steels?

Select one or more of the following:

Mild steel
Medium steel
High-carbon steel
Stainless steel
Tungsten steel
Manganese steel

Explanation

Question 12 of 32

1

When iron rusts, it is actually being oxidized.

Select one of the following:

True
False

Explanation

Question 13 of 32

1

Which method of prevention of rust other than galvanising, requires a more reactive metal than iron to corrode?

Select one of the following:

Sacrificial Protection
Electroplating
Electrolytic Protection

Explanation

Question 14 of 32

1

Fill the blank spaces to complete the text.

1.) (ore of zinc) is heated strongly in . It the ore into .
is also produced.
2.) Zinc oxide burns with . The ore is and gives and
3.) Zinc vapor passes out of the furnace and is and into a liquid.

Explanation

Question 15 of 32

1

Copper must be purified by reduction because wires need impure copper to conduct electricity.

Select one of the following:

True
False

Explanation

Question 16 of 32

1

What is the difference between bauxite and alumina?

Select one of the following:

Bauxite is impure aluminium oxide while alumina is pure.
Bauxite is pure aluminium oxide while alumina is impure.

Explanation

Question 17 of 32

1

Fill the blank spaces to complete the text.

1.) Bauxite is treated with to obtain alumina.
2.) is dissolved in molten cryolite.
3.) alumina and cryolite is electrolysed in a cell fitted with

Explanation

Question 18 of 32

1

Properties of ammonia?

Select one or more of the following:

Colourless
Distinctive smell
Less dense than air
Soluble in water
Acidic solution

Explanation

Question 19 of 32

1

Fill the blank spaces to complete the text.

1.) Nitrogen is obtained from , while hydrogen is obtained from by reaction with - raw materials
2.) The 2 gases are mixed in a ratio of
3.) Compressed at a pressure of and passed over many catalyst beds containing . The temperature of the converter is .
4.) A mixture of gases leaves the converter. To separate the mixture, it is cooled down. Ammonia has a much point so it .
5.) The mixture of nitrogen and hydrogen is sent back to the converter to be .

Explanation

Question 20 of 32

1

What type of fertiliser is 'nitram' and 'urea'?

Select one of the following:

Straight nitrogen fertilisers
NPK compound fertilsers

Explanation

Question 21 of 32

1

What are the three essential nutrients required by plants - provided by fertilisers?

Select one or more of the following:

Nitrogen
Hydrogen
Phosphorous
Potassium

Explanation

Question 22 of 32

1

Fill the blank spaces to complete the text.

1.) Sulfur burns in air to produce .
2.) Gases are and by
3.) Sulfur dioxide reacts with oxygen to form
4.) Sulfur trioxide is in - is produced
5.) is added to oleum to produce

Explanation

Question 23 of 32

1

Properties of oleum (concentrated sulfuric acid)?

Select one or more of the following:

Powerful dehydrating agent
Powerful oxidising agent
Not corrosive

Explanation

Question 24 of 32

1

Dehydration is the removal of water or at least elements of water from a substance.

Select one of the following:

True
False

Explanation

Question 25 of 32

1

What are the three different types of electrolytic cells used in the electrolysis of concentrated brine?

Select one or more of the following:

Mercury Cathode Cell
Diaphragm cell
Graphite electrdes
Membrane cell

Explanation

Question 26 of 32

1

Chlorine is produced at the anode.
Hydrogen is produced at the cathode.
Sodium ions (from NaCl) and hydroxide ions (from the water) combine together to form sodium hydroxide.

Select one of the following:

True
False

Explanation

Question 27 of 32

1

Fill the blank spaces to complete the text.

Powdered limestone is used to acidic soils and lakes acidified by . It is than lime.
In the blast furnace, limestone is used to .
Limestone is also used to manufacture .

Explanation

Question 28 of 32

1

Fill the blank spaces to complete the text.

Lime () is and is produced by limestone ) in a .
Lime is used in agriculture to neutralise soils and improve in soils that consists of a large amount of .
It is also used with sand and sodium carbonate in making .
Lime can also be converted into lime ( lime) which is . Equal amounts of lime and water are mixed to produce this substance. Hydrated lime is used to make , for making glass, and for .

Explanation

Question 29 of 32

1

Click on the orange point and write the correct answer.

When limestone thermally decomposes to produce quick-lime, what is required?

Explanation

Question 30 of 32

1

How many things need to be taken into consideration when building a chemical processing plant?

Select one or more of the following:

5
4
3

Explanation

Question 31 of 32

1

What are the environmental problems for chemical plants?

Select one or more of the following:

Chemical plants need to treat the polluted gases which are produced in production, because it causes acid-rain and health problems for human beings. This creates an additional costs for industries.
Chemical plants need to treat the water and liquids which comes out of production because they go into water-bodies, or else they will get large fines by water-boards and river authorities.
Solid waste products have to be treated to make them less harmless and have to be disposed safely, to ensure minimum land pollution. This also create additional costs for industries.
All of the above.

	Created by Fardia Chowdhury about 6 years ago

A Quiz to learn and revise everything necessary of Ch - 9 of the syllabus, in Chemistry.

Industrial Inorganic Chemistry

Question 1 of 32

Fill the blank spaces to complete the text.

What metals are in the reactivity series? ,sodium,lithium,,magnesium,,,,iron,,,,copper,,gold,platinum

Explanation

Question 2 of 32

What are the two methods of extracting metals from their ores?

Select one or more of the following:

Explanation

Question 3 of 32

The method chosen to extract metals are determined by the reactivity of the metal being extracted.

Select one of the following:

Explanation

Question 4 of 32

What happens in a displacement reaction?

Select one or more of the following:

Explanation

Question 5 of 32

Carbon is used to reduce metals from their ores. Is it because they are less reactive than the moderately reactive metals?

Select one of the following:

Explanation

Question 6 of 32

Fill the blank spaces to complete the text.

What are the raw materials needed for the extraction of iron? ,,coke and

Explanation

Question 7 of 32

Fill the blank spaces to complete the text.

Explanation

Question 8 of 32

What is the chemical equation of the reduction of haematite?

Select one of the following:

Explanation

Question 9 of 32

This is the thermal decomposition of limestone. CaO (s) + SiO2 (s) -> CaSiO3 (l)

Select one of the following:

Explanation

Question 10 of 32

Fill the blank spaces to complete the text.

1.) The tilting furnace is charged with (for recycling) and pig iron (). 2.) Oxygen is blown through an . 3.) The molten steel and impurities are poured out of the furnace when the furnace tilts in

Explanation

Question 11 of 32

Which of the below are alloy steels?

Select one or more of the following:

Explanation

Question 12 of 32

When iron rusts, it is actually being oxidized.

Select one of the following:

Explanation

Question 13 of 32

Which method of prevention of rust other than galvanising, requires a more reactive metal than iron to corrode?

Select one of the following:

Explanation

Question 14 of 32

Fill the blank spaces to complete the text.

1.) (ore of zinc) is heated strongly in . It the ore into . is also produced. 2.) Zinc oxide burns with . The ore is and gives and 3.) Zinc vapor passes out of the furnace and is and into a liquid.

Explanation

Question 15 of 32

Copper must be purified by reduction because wires need impure copper to conduct electricity.

Select one of the following:

Explanation

Question 16 of 32

What is the difference between bauxite and alumina?

Select one of the following:

Explanation

Question 17 of 32

Fill the blank spaces to complete the text.

1.) Bauxite is treated with to obtain alumina. 2.) is dissolved in molten cryolite. 3.) alumina and cryolite is electrolysed in a cell fitted with

Explanation

Question 18 of 32

Properties of ammonia?

Select one or more of the following:

Explanation

Question 19 of 32

Fill the blank spaces to complete the text.

Explanation

Question 20 of 32

What type of fertiliser is 'nitram' and 'urea'?

Select one of the following:

Explanation

What metals are in the reactivity series?
,sodium,lithium,,magnesium,,,,iron,,,,copper,,gold,platinum

What are the raw materials needed for the extraction of iron?
,,coke and

This is the thermal decomposition of limestone.
CaO (s) + SiO2 (s) -> CaSiO3 (l)

1.) The tilting furnace is charged with (for recycling) and pig iron ().
2.) Oxygen is blown through an .
3.) The molten steel and impurities are poured out of the furnace when the furnace tilts in

1.) (ore of zinc) is heated strongly in . It the ore into .
is also produced.
2.) Zinc oxide burns with . The ore is and gives and
3.) Zinc vapor passes out of the furnace and is and into a liquid.

1.) Bauxite is treated with to obtain alumina.
2.) is dissolved in molten cryolite.
3.) alumina and cryolite is electrolysed in a cell fitted with

1.) Sulfur burns in air to produce .
2.) Gases are and by
3.) Sulfur dioxide reacts with oxygen to form
4.) Sulfur trioxide is in - is produced
5.) is added to oleum to produce

Chlorine is produced at the anode.
Hydrogen is produced at the cathode.
Sodium ions (from NaCl) and hydroxide ions (from the water) combine together to form sodium hydroxide.

Powdered limestone is used to acidic soils and lakes acidified by . It is than lime.
In the blast furnace, limestone is used to .
Limestone is also used to manufacture .