Chemistry
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New answer posted
8 months ago
Contributor-Level 10
C4H8 (DOU = 1 so 1 double bond exist since it gives KMnO4 test)
New answer posted
8 months agoContributor-Level 10
P4 + 3NaOH + 3H2O
Oxoacid is H3PO2 it is also known as hypophosphorous acid or phosphinic acid.
New answer posted
8 months agoContributor-Level 10
Cs is used in devising photoelectric cells. Boron fibres are used in making bullet – proof vest silicones being surrounded by non-polar alkyl group are water repelling in nature.
Gallium is less toxic and has a very high temperature thermometers
New answer posted
8 months agoContributor-Level 10
Metals Li Na K Rb Cs
Colour Crimson red Yellow Violet Red violet Blue
Wavelength 670.8 589.2 766.5 &nbs
New answer posted
8 months agoContributor-Level 10
In reducing action, H2O2 changes to O2 because it will oxides but option (A) is in acidic medium, hence answer will be (C).
New answer posted
8 months agoContributor-Level 10
KCN is used as depressant for ZnS. While Au and Ag, cyanide process (leaching) is used.
New answer posted
8 months agoContributor-Level 10
Correct electronic configuration of Pt is 78Pt = [Xe]4f145d96s1
It is an exceptional electronic configuration
New answer posted
8 months agoContributor-Level 10
Due to equal and similar charge particle will repel each other, hence will never precipitate
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