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 :
[A]w 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. [B] Vitamin C, Vitamin E and p-carotene are antioxidants (substances that act against oxidants). [C] Sodium or potassium salt of a long chain fatty acid is called soap.
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