When Ammonia is used as a refrigerant in vapour compression cycle?
(A) Cu Tubing used
(B) Steel tubes used
(C) Both a & b
(D) Material does not effect by refrigerant
Example of ‘globular’ proteins is __________ ?
(A) Peptide
(B) Enzymes
(C) Primary protein
(D) Secondary proteins
In whole Periodic Table which element Is Most Reducing Agent ?
(A) Chlorine
(B) lithium
(C) Helium
(D) Neon