A) C8H18 B) C7H16 C) C2H6 D) C3H6
A) alkyne B) alkane C) alkene D) alkanol
A) The physical properties are similar. B) Members have the same general method of preparation. C) Members share the same general method of preparation. D) Successive members differ in molecular formula by an addition of CH2
A) Most organic compounds are non-polar. B) They are generally soluble in non-polar solvents. C) They are generally soluble in water. D) They are mostly covalent.
A) C2H6 B) C5H12 C) C4H9 D) C3H6
A) It is the exceptional ability of carbon atoms to combine with one another. B) It is the ease with which carbon combines with hydrogen, oxygen etc. C) It is the ability of carbon to form single, double and tripple covalent bonds.
A) C3H7COCH3 B) C3H7COOH C) C3H7OH D) C3H7CHO
A) Cl2 B) O2 C) H2 D) CO2
A) CO2 B) Na2O C) NO2 D) SO2
A) K2O B) Na2O C) SO2 D) MgO
A) ZnO B) CaO C) K2O D) Na2O
A) CO2 B) MgO C) CO D) ZnO
A) neutral oxide B) amphoteric oxide C) hydrochloric oxide D) basic oxide E) acidic oxide
A) potassium trioxochlorate (V) B) potassium tetraoxosulphate (VI) C) potassium trioxonitrate (V) D) potassium trioxocarbonate (IV)
A) an oxidizing agent B) a dehydrating agent C) a reducing agent D) a catalyst
A) thermal decomposition of potassium trioxochlorate (V) B) freezing of liquid air C) hydrolysis of liquid air D) fractional distillation of liquid air
A) It is slightly soluble in water B) Its atomic number is 8 and mass number is 16 C) It turns blue litmus paper red D) It is a colourless, odourless and tasteless gas
A) 4Na + O2 --> 2Na2O B) N2 + 2O2 --> 2NO2 C) CH4 + 2O2 --> CO2 + 2H2O D) C + O2 --> CO2
A) Contact Process B) Haber Process C) Bosch Process D) Steam Process
A) It is colourless, odourless and tasteless B) It is slightly soluble in water C) It is highly inflammable D) It turns red litmus paper blue
A) temperature B) pressure C) volume D) concentration
A) Decreasing the temperature will shift the equilibrium towards the endothermic reaction B) Increasing the temperature will not affect the position of the equilibrium C) Increasing the temperature will shift the equilibrium towards the endothermic reaction D) Increasing the temperature will shift the equilibrium towards the exothermic reaction
A) Decreasing the pressure will shift the equilibrium towards the side with fewer moles of gas. B) Increasing the pressure will shift the equilibrium towards the side with fewer moles of gas. C) Increasing the pressure will have no effect on the equilibrium of a gaseous system. D) Increasing the pressure will shift the equilibrium towards the side with more moles of gas.
A) Service Process B) Contact Process C) Haber Process D) Bosch Process
A) High pressure B) Iron catalyst C) Low pressure D) Moderately low temperature
A) very dense B) definite volume C) can be compressed D) definite shape
A) less dense B) no definite volume C) no definite shape D) cannot be compressed
A) cannot be compressed easily B) least dense C) no definite shape D) fixed mass
A) directly proportional to its pressure B) directly proportional to its temperature C) inversely proportional to its temperature D) inversely proportional to its pressure
A) directly proportional to its absolute temperature B) inversely proportional to its pressure C) inversely proportional to its absolute temperature D) directly proportional to its pressure
A) 429.2cm3 B) 432.4cm3 C) 442.4cm3 D) 459.2cm3
A) 188.4cm3 B) 288.4cm3 C) 388.4cm3 D) 488.4cm3
A) 18.2dm3 B) 27.4dm3 C) 36.8dm3 D) 44.8dm3
A) inversely proportional to the square root of its density B) directly proportional to its density C) inversely proportional to its density D) directly proportional to the square root of its density
A) They are both neutral to litmus paper B) They both belong to group 1 on the periodic table C) They are both colourless, odourless and tasteless gases D) They are both slightly soluble in water
A) hydrogen gas B) chlorine gas C) oxygen gas D) carbon (IV) oxide gas
A) for medical applicants to help patients breathe B) as propellants for space rockets C) for steel production D) in the manufacture of tetraoxosulphate (VI) acid
A) CH4 (g) + H2O (g) B) CO2 (g) + 3H2 (g) C) CH2 (g) + 2H2O (g) D) CO (g) + 3H2 (g) |