31. The average pH value of milk is –
A. 6.0
B. 6.6
C. 7.8
D. 8.1
32. Which of the following compound is used as a freezer medicine?
A. CaCl2
B. KBr
C. C2H5OH
D. PCl3
33. The catalyst used in the hydrogenation process of oils is –
A. Fi
B. Ni
C. Mo
D. Pt
34. Itching due to insect bite is caused by –
A. Lactic Acid
B. Formic Acid
C. Maleic Acid
D. Acetic Acid
35. The anti-freezer is a mixture of –
A. Acetic Acid and Water
B. Formic Acid and Water
C. Ethyl Alcohol and Water
D. Methyl Alcohol and Water