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Why were you able to observe electrolysis in the cabbage juice indicator solution before any vinegar was added to this solution, while no electrolysis was observed in distilled water?
What was the color and approximate pH of the cabbage juice indicator solution when a small amount of vinegar was added? What was the resulting color and approximate pH of the solution after two or three minutes of attempted electrolysis? What does this indicate about the reactions taking place?
The energy of a radiation of wavelength 8000 Å is E 1 and energy of a radiation of wavelength 16000 Å is E 2 . What is the relation between these two: (1) E 1 =6E 2
The total number of valence electrons in 4.2 gm N - 3 of ion is ( N A is the Avogadro's number): (1) 1.6N A (2) 3.2N A
How many grams of CO2 are produce if 42.0 mol of LiOH react?
EDTA charge is 4.and it is react with many compound to form other compounds
Define the following observations: (i) Most of the known noble gas compounds are those of xenon. (ii) CIF3 exists but FCI 3 does not. (iii) Between the hydrides of elemen
Why rate of reaction in zero order is independent of concentration? Solution) Where r is the reaction rate and k is the reaction rate coefficient with units of time / concentrat
project&objectives
The number of electrons in the nucleus of C 12 is (1) 6 (2) 12 (3)0 (4)3 Ans: 0
The covalent bond produced by the unequal sharing of electrons among the two atoms is known as polar covalent bond.
A 100 gal tank contains 10 lb of water. The tank is filled by two inlet streams, one of pure water and one of pure ethanol. The flow rate of both streams is 10 gal/min. Calculate t
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