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ENERGY: Action of electricity on materials
ENERGY: Action of heat on materials
MATTER - PROPERTIES AND TRANSFORMATION: Chemical Reactions And Equations
MATTER - PROPERTIES AND TRANSFORMATION: Chemical Symbols, Formulae And Valency
MATTER - PROPERTIES AND TRANSFORMATION: Effect Of Heat On Substances
MATTER - PROPERTIES AND TRANSFORMATION: Introduction To Chemistry - Symbols
MATTER - PROPERTIES AND TRANSFORMATION: Mixtures And Pure Substances
MATTER - PROPERTIES AND TRANSFORMATION: Periodic table - Families of elements and Relative reactivity
MATTER - PROPERTIES AND TRANSFORMATION: Reaction With Oxygen of air
MATTER - PROPERTIES AND TRANSFORMATION: The Atom And Sub-Atomic Particles
5/63 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Reaction With Oxygen of air
When calcium burns, the product, calcium oxide, is a:
Neutral oxide.
Acidic oxide.
Basic oxide.
Amphoteric oxide.
Which gas is used by living things to stay alive?
Carbon dioxide.
Oxygen.
Water vapour.
Nitrogen.
The process of covering an iron object with a thin layer of grease or oil prevents rusting by:
Providing cathodic protection.
Changing the iron into a different metal.
Reacting with the iron.
Preventing contact between iron and oxygen/water.
Which of the following is a method to prevent rusting?
Adding salt to the iron.
Keeping iron wet.
Painting or greasing the iron surface.
Exposing iron to more oxygen.
When sulfur burns, the product, sulfur dioxide, is a:
Neutral oxide.
Acidic oxide.
Amphoteric oxide.
Basic oxide.
