The answer is E and F.
Hope this helps!!
Explanation:
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Answer:
The urine may turn purple or remain colourless
Explanation:
Adding sodium hydroxide (NaOH) and hydrated copper(II) sulfate to urine in a test tube is a test for proteins in urine.
This test depends on the ability of sodium hydroxide (NaOH) and hydrated copper(II) sulfate to form purple-coloured cordination complexes with peptides. The appearance of this purple colour is a positive test for protiens in urine.
Hence, when a few drops of a mixture of sodium hydroxide and copper(ii) tetraoxosulphate (vi) solution added to a sample of urine test in a test tube, the solution may turn purple indicating the presence of proteins in urine or remain colourless indicating the absence of proteins in urine.
Answer: Polarity is the dipole-dipole intermolecular forces between the slightly positively-charged end of one molecule to the negative end of another or the same molecule
An example is H2+ (SO4)2- in Tetraoxosulphate (VI) Acid
Explanation:
In the acid H2SO4, ionization results in the formation of a Positively charged hydrogen ion (2H+) and a negatively charged Sulphate ion (SO4)2-
The slightly positive and negative parts in the ACID generates the DIPOLE (two poles) and THUS explains polarity
Answer:
The light goes through
Explanation:
The light goes through the transparent glass without being reflected or absorbed, for example, a window is a transparent glass, you never see light being reflected off of a window
Hope this helps (: