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MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Alkali metals and alkaline earth metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Identification Of Ions
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Salts
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Transition metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Nitrogen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Sulphur
MATTER - PROPERTIES AND TRANSFORMATION: Organic Chemistry - Hydrocarbons
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Gaseous State
MATTER: PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Solutions and acid-base titration
PRINCIPLES OF CHEMISTRY: Electrochemistry

What is the primary environmental benefit of cracking?

It reduces the amount of crude oil extracted.

It increases the production of lubricants.

It produces more valuable shorter-chain hydrocarbons from less valuable longer ones.

It generates cleaner-burning fuels.

What type of reaction is involved in the formation of poly(ethene) from ethene?

Addition polymerization.

Condensation polymerization.

Substitution reaction.

Cracking.

What is the primary focus of organic chemistry?

The study of compounds containing carbon, usually bonded to hydrogen.

The study of non-metals and their reactions.

The study of all chemical elements.

The study of metals and their properties.

Acetylene is the common name for which alkyne?

Ethyne.

Ethene.

Propane.

Methane.

Which statement is true regarding the chemical reactivity of ethene compared to ethane?

Ethene is more reactive than ethane.

Ethene and ethane have similar reactivity.

Ethene reacts only by substitution, while ethane reacts by addition.

Ethene is less reactive than ethane.