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