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Tests for acetone - Indigo test and Iodoform test
(a) Indigo test: When a small amount of orthonitrobenzaldehyde is added to approximately 2 ml. of acetone and it is diluted along with KOH solution and stirred. A blue colour of indigotin is produced or formed.
(b) Iodoform test: Acetone provides iodoform test along with iodine and sodium hydroxide or iodine and ammonium hydroxide.
Where is tin obtained? Ans) Tin is obtained in several places tin is found mainly in the ore cassiterite, which is originate in Malaysia, Bolivia, Thailand, and Nigeria.
Conductometric titration
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If wavelength of photon is 2.2x10 -11 m, h= 6.6x 10 -34 J-sec, then momentum of photon is: (1) 3x 10 -23 kgms -1 (2) 3.33x 10 22 kgms -1 (3) 1.452x 10-
Conclusion for chemicals used in medicines
explain main reason for boiler corrosion ?
Q. What is Spontaneous reactions? Ans. Spontaneous reactions can occur under specific conditions without any assistance. Most of the reactions you know are spontaneous r
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