Excess of copper in toxic proportions in plants/animals can be removed by chelating with
a. EDTA
b. Ethane – 1, 2 Diamine
c. Oxalate
d. D- penicillamine
e. Cupron
Ans. d
Explanation : D – pencillamine is used in treating Wilson’s disease, a rare genetic disorder of copper metabolism, penicillamine treatment relies on its binding to accumulated copper and elimination through urine.
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dm-3 sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1 ; 1 dm-3 = 0.001 m3 ) a. 4870 Pa b. 4.87 Pa c. 0.00487 Pa d. 0.33 Pa Ans. a (17)
