A) Tranquillizers are called psychotherapeutic drugs.
B) Vitamin C, Vitamin E and \[\beta \]-carotene are antioxidants.
C) Sodium or potassium salt of a long chain fatty acid is called soap.
D) All of these
Correct Answer: D
Solution :
(1) Tranquillizers are the substances used for the treatment of mental diseases. These act on higher centres of the central nervous system. These are also called psychotherapeutic drugs. (2) Vitamin C, Vitamin E and p-carotene are antioxidants (substances that act against oxidants). (3) Sodium or potassium salt of a long chain fatty acid is called soap.
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