The equation for the reaction is: Zn(s) + CuSO4(aq)→ZnSO4(aq)+Cu(s) [CU= 64; Zn=65] A. 3.2 g B. 3.25 g C. 6.4…
A. calcium B. fluorine C. iodine D. oxygen E. sodium Correct Answer: Option B - fluorine
A. 2-chloro -3 methylbut -2yne B. 2 -chloro -3 methylbut -2ene C. 2 -chloro -3 methylbutene D. 3- methyl -2-chlorobut…
A. CH3CH2CHO B. CH3CH2CH2OH C. CH3CH2COOH D. CH3CH2OCH E. CH3CH3OH Correct Answer: Option B
A. chemical properties B. electric charge C. electronic structure D. number of electrons E. number of neutrons Correct Answer: Option…
A. nylon B. Orion C. Perspex D. polystyrene E. wool Correct Answer: Option E - wool
A. the bonding in water is electrovalent (ionic) whereas the bonding in ethanol is covalent B. the hydrogen bonding between…
A. bleaches impurities in the water B. decolorizes water C. destroys bacteria D. is extremely soluble in water E. is…
A. It contains only the atoms of carbon, hydrogen oxygen B. It is a polysaccharide C. Its empirical formula is…
A. 0.008 B. 0.08 C. 0.1 D. 0.8 E. 8.02 Correct Answer: Option B - 0.08