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Todays' Thought
Those who cannot change their minds cannot change anything.
- George Bernard Shaw
जो अपना दिमाग नहीं बदल सकते वे कुछ भी नहीं बदल सकते |
- जार्ज बर्नार्ड शा


    Chemistry Question & Answer in English

36.
metal that is used as a catalyst in the hydrogenation of oils is -
A.  Ni
B.  Pb
C.  Cu
D.  Pt

37.
The major constituent of air is -
A.  Nitrogen
B.  Carbon
C.  Oxygen
D.  Hydrogen

38.
Enzymes are -
A.  Proteins
B.  Oils
C.  Minerals
D.  Fatty acids

39.
Glucose is a-
A.  Monosaccharide
B.  Trisaccharide
C.  Disaccharide
D.  Polysaccharide

40.
Insulin is -
A.  An amino acid
B.  A carbonate
C.  Protein
D.  A lipid

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