Scientific Discoveries and Achievements in Chemistry of the 21st Century. Тестування з дисципліни Іноземна мова

A) To increase the use of hazardous chemicals

B) To reduce pollution and the use of dangerous substances

C) To produce more industrial waste

D) To replace all metals with plastics

A) Tiny semiconductor particles with size-dependent optical properties

B) Large crystals of ordinary salt

C) New types of chemical elements

D) Gases used in industrial furnaces

A) Measuring the temperature of chemical reactions

B) Producing electricity from water

C) Joining molecular building blocks efficiently

C) Joining molecular building blocks efficiently

A) They are used only in chemical laboratories.

B) They can store electrical energy for portable electronic devices and electric vehicles.

C) They produce unlimited energy without charging.

D) They replace all chemical reactions.

A) A liquid metal

B) A type of plastic

C) A compound made of iron and oxygen

D) A single layer of carbon atoms arranged in a hexagonal structure

A) To slow down every chemical reaction

B) To change every element into gold

C) To increase the reaction rate without being consumed overall

D) To stop the formation of products

A) A method that uses small organic molecules as catalysts to promote chemical reactions

B) A process of extracting oxygen from water

C) A method of measuring atomic mass

D) A technique for producing metals from rocks

A) By increasing the consumption of fossil fuels

B) By developing improved materials for solar cells and energy storage

C) By preventing the production of electricity

D) By eliminating all chemical processes

A) By replacing all laboratory equipment

B) By preventing scientific research

C) By changing chemical elements into energy without reactions

D) By helping scientists predict protein structures and design new proteins

A) They are useful only for producing industrial chemicals.

B) They have no influence on medicine or technology.

C) They help develop new medicines, materials and environmentally friendly technologies.

D) They make scientific experiments unnecessary.