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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
What is the chemical symbol for Sodium?
Ni.
Na.
So.
Sd.
The idea of atoms was brought about by __
All are correct
English philosophers
Greek philosophers
French philosophers
What is the valency of the Nitrate radical?
1.
4.
2.
3.
__ is made up of two or more elements that are not chemically combined.
Mixture
Compound
Element
Atom
Which of the following is a chemical formula?
H₂O.
O.
Fe.
H.
