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a chemical reaction between an acid and a base to form salt and water. They have opposite properties and cancel or neutralise each other.
monomers are chemically bonded together to form chains that link thousands of monomers in a...
small electrical cells such as those in watches, pacemakers, hearing aids and calculators.
the time required for half the atoms present in an object have undergone radioactive decay and...
a temperature scale with zero at absolute zero 0 K = 273 0C.