A. K2CO3 B. (NH4)2SO4 C. NaHCO3 D. AgNO3 Correct Answer: Option A A. K2CO3
A. is a weak electrolyte B. has hyrogen ion concentration of 0.2 mol sm-3 C. is twice as acidic as…
A. NO2 B. SO2 C. NH3 D. CO2 Correct Answer: Option D D. CO2
A. temperature of the system B. degree of disorder in the system C. number of molecules D. activation energy Correct…
A. 8g mol‾¹ B. 16 gmol‾¹ C. 32g mol‾¹ D. 64g mol‾¹ Correct Answer: Option C C. 32g mol‾¹
A. Pyramidal B. Tetrahedral C. Trigonal planar D. Linear Correct Answer: Option B B. Tetrahedral
A. under paraffin oil B. under ultraviolet light C. in a cool, dark cupboard D. in a box lined with…
A. Nitrogen B. Chlorine C. Sulphur D. Carbon Correct Answer: Option B B. Chlorine
A. NaCI B. NaBr C. NaF D. NaI Correct Answer: Option C C. NaF
A. ionic B. metallic C. covalent D. dative Correct Answer: Option A A. ionic