How many moles are in 22.2 grams of Calcium chloride, CaCl2?
A. 0.2 moles B. 0.3 moles C. 0.4 moles D. 0.5 moles
Chemistry MCQs
The mass of 3.2 moles of ammonia (NH3) gas?
A. 53.4 grams B. 54.4 grams C. 55.4 grams D. 56.4 grams
Which of the following aqueous solutions would have the highest boiling point?
A. 0.20 m glucose B. 0.20 m NaCl C. 0.15 m CaCl2 D. 0.25 m sucrose
In a molecule of carbon monoxide, what are the formal charges on the two atoms?
A. Carbon=0, Oxygen=0 B. Carbon= +1, Oxygen= -1 C. Carbon= -1, Oxygen= +1 D. Carbon=0, Oxygen= -1
What is the density ofargon gas at a temperature of 30°C and a pressure of 1.05 atm?
A. 1.65 g/L B. 1.67 g/L C. 1.68 g/L D. None of the above
The formula C6H5-CO-CH3 represents_______ ?
A. Acetone B. Acetic acid C. Acetophenone D. Phenyl acetate
Poisonous gas present in the exhaust fumes of a jet plane is__________?
A. Flurocarbon B. Carbon monoxide C. Methane D. C2H2
The O-O linkage is present in__________?
A. H2S2O3 B.H2SO8 C. H2S4O6 D. H2 S2 O6
The number of lone pairs in XeOF4 is_________?
A. O B. 1 C. 2 D. 3
Argon gas was discovered by_______?
A. Rayleigh B. Ramsay C. Lockerey D. Dalton