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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
5/80 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemical Symbols, Formulae And Valency
The symbol for the element Fluorine is:
Fr.
F.
Fl.
Fo.
What is the correct formula for Ammonium Sulphate, given Ammonium radical (Valency 1) and Sulphate radical (Valency 2)?
(NH₄)SO₄.
(NH₄)₂SO₄.
NH₄SO₄.
NH₄(SO₄)₂.
Which of the following elements has the symbol 'C'?
Carbon.
Chlorine.
Calcium.
Copper.
Dalton's atomic theory stated that atoms are indivisible. What modern discovery disproved this part of his theory?
The concept of molecules.
The discovery of subatomic particles (protons, neutrons, electrons).
The existence of compounds.
The discovery of elements.
The idea of atoms was brought about by __
English philosophers
All are correct
Greek philosophers
French philosophers
