Which of the following pairs of salts undergo hydrolysis?
A. AlCI3 and NH4CI B. AICI3 and NaCI C. FeCI3 and KCI D. Na2SO4 and K2SO4 Correct Answer: Option A A. AlCI3 and NH4CIThe method of collection of gases prepared in the laboratory depend on their?
A. odour and atomicity B. colour and odour C. atomicity and density D. solubility and density Correct Answer: Option D D. solubility and densityWhich of the following equipment is not used to detect radioactivity?
A. Wilson cloud chamber B. Geiger- muller counter C. Mass spectrometer D. Photographic plate Correct Answer: Option C C. Mass spectrometerA metal X forms two chlorides with the formulae XCI2 and XCI3. Where is X in the Periodic Table?
A. Group ll B. Group llI C. d-block D. s-block Correct Answer: Option C C. d-blockProducts
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