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J.J.Thomson
R.A. Millikan
Rutherford
Chadwick
The acid rain destroys vegetations because it contains
The acid that can be used as a hypnotic is
The acid which fails to liberate carbon dioxide from sodium bicarbonate is
The acid which is secreted by the glands in the stomach wall is
The activity of radioisotope change with
The agent which is oxidized in photosynthesis is
The air we inhale is mixture of gases. Which of the following gases in the mixture is highest in percentage?
The ammonium ion is
The amount of chlorine available in water after disinfection is called as
The anode in a dry cell consists of