The name of the common mineral salt present in sweat is:

(A) Calcium Oxalate
(B) Potassium Sulphate
(C) Sodium Chloride
(D) Iron Sulphide

Answer: (C) Sodium Chloride

Q. What is the chemical formula of sugar?
(A) C₁₂H₂₂O₁₁
(B) C₆H₁₂O₆
(C) CH₂OH
(D)None of these

Answer: (A) C₁₂H₂₂O₁₁

Q. What is the chemical formula of glucose?
(A) C₁₂H₂₂O₁₁
(B) C₆H₁₂O₆
(C) CH₂OH
(D) None of these

Answer: (B) C₆H₁₂O₆