A. carbon - 14 B. iodine 131 C. technetium 99 D. uranium235 E. uranium 238 Correct Answer: Option C -…
A. carbon B. crylite C. limestone D. oxygen E. sulphur Correct Answer: Option C - limestone
A. Carbon (II) oxide B. Carbon (IV) oxide C. Nitrogen D. Noble gases E. Oxygen Correct Answer: Option B -…
A. 2 B. 3 C. 4 D. 5 E. 6 Correct Answer: Option E - 6
A. Brownian movement. B. Dialysis C. Diffusion D. Osmosis E. Tyndall effect Correct Answer: Option E - Tyndall effect Explanation…
A. CO2 B. H2 C. H2O D. O2 E. O3 Correct Answer: Option E - O3
A. donating lone pair of electrons B. gaining an electron C. losing an electron D. sharing an electron E. sharing…
A. addition B. carboxylation. C. esterification D. saponification E. substitution Correct Answer: Option A - addition
A. glycerol B. nylon C. perspex polyethene D. polyethene E. polystyrene Correct Answer: Option A - glycerol
A. Boyle’s B. Charles’ C. Dalton’s D. Graham’s E. Gay Lussac’s Correct Answer: Option C - Dalton’s