A. C2H6 B. C2H4 C. C2H2 D. C3H4 E. C3H6 Correct Answer: Option A - C2H6
A. group lV elements B. group l metals C. transition metals D. alkaline earths E. the halogens Correct Answer: Option…
A. 0.005 mole B. 0.025 mole C. 0.05 mole D. 1.00 mole E. 1.05 mole Correct Answer: Option C -…
A. a germicide B. a decolorizing agent C. an antioxidant D. a coagulating agent E. an aerating agent Correct Answer:…
A. an acidic oxide B. a basic oxide C. an amphoteric oxide D. a neutral oxide E. a mixed oxide…
A. Enthalpy change (∆H) B. Equilibrium constant (K) C. Solubility product D. Degree of acidity (pH) E. lonic product of…
A. presence of carbon in petrol B. dehydrogenation of petrol C. incomplete combustion of petrol D. presence of additives in…
A. But-l-ene and but -2-ene B. Ortho-hydrogen and parahydrogen C. Oxygen and ozone D. Hydrogen and deuterium E. Alpha-particle and…
A. in the production of plastics B. as domestic and industrial fuels C. in the textile industry D. in the…
A. is a weak dibasic acid B. has bleaching properties C. is unstable and eaily decomposed D. smells strongly of…