A. forces of attraction and repulsion are in equilibrium B. gaseous molecules can occupy any available space C. gaseous molecules…
A. the molecules of gas collide with the walls of the container B. some of the molecules are moving faster…
A. 33% B. 44% C. 55% D. 87% Correct Answer: Option B - 44%
A. Freezing ice cream B. dissolving calcium in water C. burning kerosene D. Exposing white phosphorus to air Correct Answer:…
A. dissolution in water, evapouration and filtration B. filtration, evaporation and dissolution in water C. dissolution in water, filtration and…
A. NO B. NO2 C. N2O D. N2O4 Correct Answer: Option A - NO Action of dilute (50% of HNO3)…
A. absorb impurities B. catalyze the reaction C. solidify the gas D. dry the gas Correct Answer: Option B -…
A. CCl4 B. CHCl3 C. CH2Cl2 D. CH3Cl Correct Answer: Option B - CHCl3
A. Benzene B. Alkynes C. Alkenes D. Alkanes Correct Answer: Option D - Alkanes Explanation: Alkenes can decolourise bromine water, but alkanes cannot.…
A. trichloromethane and tetrachloromethane B. chloroethene and dichloroethene C. trichloroethene and tetrachloroethene D. chloroethane and dichloroethene Correct Answer: Option C…