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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

Which gas is removed from the air first during fractional distillation of liquid air?

Nitrogen.

Carbon dioxide.

Oxygen.

Argon.

When calcium (Ca) burns in air, it reacts with oxygen to form:

Calcium oxide.

Calcium carbonate.

Calcium peroxide.

Calcium hydroxide.

The following are obtained after fractional distillation of liquid air except:

Oxygen.

Ammonia.

Nitrogen.

Noble gas.

What forms a black solid when heated in air?

Iron.

Copper.

Hydrogen.

Calcium.

What two conditions are necessary for rusting to occur?

Oxygen and water.

Carbon dioxide and nitrogen.

Acid and salt.

Heat and light.