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Recent questions tagged telegram-5060

(chatquestion)...16. Pick ou (3) K,SO, (4) MNSO, (1) K 8. Colourless solution of the following four salts are placed separately in four different test tubes and a strip of copper is dipped in each one of these. Which solution will turn blue? su (2) Irc (3) Pe (1) KNO, (3) Zn(NO,), (2) AGNO, (4) ZNSO, (4) Ir Cu+ conc. HNO,(hot): of nitrogen); then X is: (1) N,O 9. Cu(NO), +X (oxide T. CrO, 3. is :- (2) NO2 (4) N,O3 (1) A (3) NO (3) A 18...(8 and 9 both?)

asked Feb 22, 2020 by balaji.thirumalai

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