Explain with examples the following:
(i) Promotor and ii) Autocatalyst 

Explain the following terms : (i) Invert sugar (ii) Polypeptides.

Explain the role of each of the following : (i) NaCN in the extraction of silver (ii) SiO_(2) in the extraction of copper

Explain the role of each of the following : (i) NaCN in the extraction of silver (ii) SiO_(2) in the extraction of copper

Explain with examples (i) Atomic number, (ii) Mass number, (iii) Isotopes and (iv) Isobars. Give any two uses of isotopes

List an example for each following: (i) Chemical defence agent (ii) Biological control agent

Explain why the following two structures (I) and (II) cannot be the major contributors to the real structures of CH_3COOCH_3 . .

Explain briefly the following terms used in communication system : (i) Transducer (ii) Repeater

Explain the following terms: (i) Peptization (ii) dialysis (iii) Hardy-Schulze rule

Explain the basic principles of the following metallurgical operations : (i) Zone refining (ii) Vapour phase refining (iii) Electrolytic refining

Which of the following are plant growth promotors