Chem u3 part 4

What is a major step in the industrial production of ammonia?

A key step in ammonia production is the Haber process, where nitrogen from the air reacts with hydrogen to form ammonia.

What are some important uses of sulfuric acid (H2SO4)?

Sulfuric acid is used in the manufacture of fertilizers, in petroleum refining, and as a dehydrating agent in various chemical reactions.

What is di-ammonium phosphate (DAP)?

Di-ammonium phosphate (DAP) is a widely used nitrogen fertilizer that provides both nitrogen and phosphorus for plant growth.

Describe a common method of food preservation.

A common method of food preservation is canning, which involves sealing food in airtight containers to prevent spoilage.

What products can be made from locally available materials in Ethiopia?

Locally available materials can be used to make insecticides, soaps, and detergents.

What is the significance of the industrial revolution for Ethiopia?

The industrial revolution is significant for Ethiopia as it aims to utilize mineral deposits and enhance chemical production for economic growth.

What is industrial chemistry?

Industrial chemistry is a branch of chemistry that applies physical and chemical procedures to transform natural raw materials into products beneficial to humanity.

What characterizes chemical industries?

Chemical industries are characterized by their use of chemical processes to produce materials of desirable properties and quality, satisfying social needs.

What resources do Ethiopian chemical industries utilize?

Ethiopian chemical industries utilize minerals like iron, lead, copper, gold, and crude oil as raw materials.

Why is the industrial revolution significant for Ethiopia?

The industrial revolution is significant for Ethiopia as it enables the use of mineral deposits to produce various chemicals on a large scale.

List some important nitrogen fertilizers.

Important nitrogen fertilizers include di-ammonium phosphate (DAP), urea, and ammonium sulfate.

What is di-ammonium phosphate (DAP)?

DAP is a widely used nitrogen fertilizer that supplies both nitrogen and phosphorus for plant growth.

Explain the Haber process.

The Haber process is the industrial method of synthesizing ammonia by reacting nitrogen from the air with hydrogen.

What are the important uses of nitric acid (HNO3)?

Nitric acid is used in the production of fertilizers, explosives, and as a chemical intermediate.

Describe the sulfuric acid production process.

Sulfuric acid is primarily produced through the Contact Process, involving the oxidation of sulfur dioxide.

What is sodium hydroxide used for?

Sodium hydroxide, or caustic soda, is used in soap making, paper manufacturing, and as a chemical reagent.

How is sodium carbonate produced industrially?

Sodium carbonate is produced using the Solvay process, which involves the reaction of sodium chloride with ammonia and carbon dioxide.

List some chemicals produced in Ethiopian industries.

Chemicals produced in Ethiopian industries include fertilizers, soaps, detergents, and pharmaceuticals.

What role do chemicals play in industry?

Chemicals serve as raw materials for manufacturing a wide range of products like food, medicine, and building materials.

How is aluminum sulfate produced?

Aluminum sulfate is produced by reacting aluminum hydroxide with sulfuric acid.

What are insecticides used for?

Insecticides are used to control insect pests that harm crops and human health.

Describe the process of soap making.

Soap making involves the saponification reaction between fats/oils and an alkali, such as sodium hydroxide.

How can insecticides be prepared from local materials?

Insecticides can be prepared from locally available materials such as plant extracts that have pesticidal properties.

What is the purpose of herbicides?

Herbicides are used to control unwanted plants that compete with crops for nutrients and resources.

What are some common uses of sulfuric acid?

Sulfuric acid is used in battery production, metal processing, and manufacturing fertilizers.

How is cement produced?

Cement is produced by heating limestone and clay to high temperatures in a kiln to form clinker, which is then ground.

List some uses of glass in industry.

Glass is used in packaging, construction, and creating containers like bottles and jars.

What is the significance of the chemical industry in society?

The chemical industry plays a crucial role in economic development, supplying necessary materials for various sectors.

Describe the paper production process.

Paper is produced by pulping cellulose fibers, forming sheets, and drying them.

What is the importance of chemical reactions in industry?

Chemical reactions are essential for transforming raw materials into usable products in various industries.

How does industrial chemistry differ from classical chemistry?

Industrial chemistry focuses more on practical applications and the transformation of materials than theoretical principles.

What are the environmental concerns regarding chemical production?

Chemical production may lead to pollution, resource depletion, and habitat destruction if not managed sustainably.

What is the role of sodium carbonate in industry?

Sodium carbonate is used in glassmaking, as a water softener, and in the production of other chemicals.

Explain the tanning process.

The tanning process involves treating animal skins with tannins to preserve them and turn them into leather.

How is food preservation related to chemistry?

Food preservation often involves chemical processes like fermentation, canning, and the use of preservatives.

What are synthetic fibers, and where are they used?

Synthetic fibers are man-made fibers used in textiles, upholstery, and industrial applications.

List some products made from the chemical industry.

Products include plastics, synthetic fibers, medicines, soaps, and fertilizers.

How do chemical processes contribute to economic growth?

Chemical processes create jobs, enhance productivity, and produce goods that drive economic activity.

Name a locally available material that can be used for insecticides.

Local plant extracts like neem or garlic can be used as natural insecticides.

Discuss the significance of research and development in chemical industries.

Research and development lead to innovative products and processes, improving efficiency and sustainability.

What are the basic steps in the production of ceramics?

The production of ceramics involves sourcing raw materials, shaping, drying, and firing at high temperatures.

What chemicals are essential for producing fertilizers?

Essential chemicals for fertilizers include nitrogen, phosphorus, and potassium compounds.

How are plastics manufactured?

Plastics are manufactured through polymerization processes, where monomers are chemically bonded into polymers.

Why is the chemical industry often referred to as the backbone of the economy?

Because it provides essential materials and products for various other industries and everyday life.

What are some health considerations related to chemical manufacturing?

Health considerations include exposure to toxic substances, safety in handling chemicals, and contamination risks.

What is the role of biochemical processes in industrial chemistry?

Biochemical processes utilize biological systems for manufacturing and processing chemicals sustainably.

Discuss the potential impact of the chemical industry on biodiversity.

Chemical industry activities can lead to habitat destruction and pollution, affecting local biodiversity.

List important safety measures in chemical manufacturing.

Important safety measures include proper training, protective equipment, and safety protocols.

What is the significance of nutrient management in fertilizer application?

Nutrient management optimizes fertilizer use, enhancing crop yields while minimizing environmental impact.