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Starch and its derivatives
Starch is a white amorphous substance along with no taste or smell. While heated to a temperature among 200-250oC it changes into dextrin. At larger temperature charring happens. While boiled and dilute acid, starch finally yields glucose.
Both of the n and n1 are unknown, but n is believed to be greater as compared to n1.
While reacted with enzyme, diastase, it gives maltose.
Atoms or group of atoms which are electrically charged are known: (1) Anions (2) Cations (3) Ions (4) Atoms Ans:
Which one of the following is not isoelectronic with O 2- : (1) N- 3 (2) F - (3) Tl + (4) Na + Ans: Tl +
Define the both - Direct extrusion and Indirect extrusion Direct extrusion: Billet is placed in a container and forced through the die by a piston. Indirect extrusion:
The electronic structure of four elements A, B, C, D are: (1) 1s 2 (2) 1s 2 , 2s 2, 2p 2 , (3) 1s 2, 2s 2 , 2p 5 ,
Draw the structure of anisole and phenetole
give examples
preparation of silicides
Q. What is basic need of SI Units? Ans: The Importance of Units Units give numbers a particular meaning. Example: I am 5 feet 10 inches tall. Feet and inches are units. I co
what is the chemistry behind the reactions of confirmatory test of sulphide radical of dilute acid group.
Yes, the basic character decreases due to resonace. This is because resonance is strongly linked to conjugation and hyperconjugation. Due to the pi-lp conjugation, the electon dens
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