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Write one chemical reaction each to show that
(a) Tin (II) chloride is a reducing agent.
(b) Chlorine gas can be getting from bleaching powder.
how many process there are to extracte copper from copperpyrites/
Tests of benzaldehyde - aldehydes and ketones (a) It forms a white precipitate with solution. (b) It creates a yellow precipitate with 2: 4 dinitrophenyl hydrazines. (
define ostwals dilution law
The number of unpaired electrons in nitrogen is: (1) 1 (2) 3 (3) 2 (4) None of these Ans: 3
why halogens are both +R and -I groups?
how can we distilled aniline under reduced pressure distillation
In solid state chemistry the CN 2 2- ion shows constitutional isomerism. The free acids of both anions (at least in the gas phase) are known. Illustrate the structural formul
The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively: (1) Heisenberg, de Broglie (2) de-Broglie, Heisenberg
saltness analysis of inrganic premiliminary test
Explain why nichrome and not copper is used as heating element whereas manganin is used as standard resistance? For heating elements, primary requirements are high melting poin
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