A. an hydrous CaCl4 B. concentrated NaCO4 C. dilute NaOH D. concentrated H2SO4 Correct Answer: Option D - concentrated H2SO4…
A. Isotopy B. Resonance C. Isomerism D. Reforming Correct Answer: Option B - Resonance Explanation Resonance involves two forms of…
A. SO3 B. NO2 C. SO2 D. CO2 Correct Answer: Option D - CO2 Explanation H2CO3 is an example of…
A. CaCO3 B. Na2CO3 C. Na2SO4 D. CaSO4 Correct Answer: Option A - CaCO3 Explanation Permanent hardness in water= Mg…
A. ethanol B. bromine chloride C. chlorine water D. water Correct Answer: Option A - ethanol Explanation Tincture of iodine,…
A. dye B. dispersant C. salt D. mordant Correct Answer: Option D - mordant Explanation Aluminium hydroxide is used in…
A. elliptical B. spiral C. circular D. spherical Correct Answer: Option D - spherical Explanation The shape of the S-orbital…
A. be very reactive and will attack ozone B. be non-reactive and will not attack ozone C. not change the…
A. Evaporation B. Distillation C. Filtration D. Precipitation Correct Answer: Option B - Distillation Explanation Distillation is the process of…
A. boiling the water B. adding excess calcium hydroxide C. adding a calculated amount of calcium hydroxide D. adding sodium…