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How are standard solutions and titrations prepared in industry compared to school
Q. Show Occurrence Extraction of group 16? Oxygen is the most abundant of all elements on earth. Dry air contains 20.946% oxygen by volume in the free form. Oxygen forms about
Which one of the following compound is ionic: (1) KCl (2) CH 4 (3) Diamond (4) H 2 Ans: KCl
Correct statement is: (1) K=4s 1 , Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (2) K=4s 2, Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (3) K=4s 2 Cr= 3d 5 4s 1 , Cu= 3d 10
Q. Briefly explain about Alloys? Ans. Pure metals are malleable. Metals that are harder, stronger and less malleable are sometimes required. These characteristics may be a
Time-of-entry experiments indicate that a gene for resistance to kanamycin, kan-r, is closely linked to a gene for resistance to bacteriophage T5, T5-r. A geneticist has strains of
No. of KMnO4 required to oxidise 1 mole of Fe(C2O2) in acidic medium? Solution) 1 mole of KMnO4 is required for oxidation of 1 mole of Fe(C2O2). 2KMno4+2Fe(C2O2)+6H2SO4 = K2S
how do I find an empirical formula?
why uranium235 and thorium232 dont participate in nuclear fission
can you locate ortho,meta para positions on a benzene ring
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