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K
Na
So
S
The chemical used for cloud seeding for artificial rains is
The chemical used in developing photographic films is
The chief constituent of gobar gas is
The chief constituent of vinegar is
The chief source of naphthalene is
The coating of a thin layer of zinc on steel or iron objects is known as
The coloured discharge tubes for advertisement mainly contain
The common name for the compound having formal NaOH is
The common name of sodium bicarbonate is
The compound that has the least value for octane number is: