Question 11 MarkProduction of biogas is aerobic processAnswerFalse. Production of biogas is anaerobic process.View full question & answer→
Question 21 MarkMethane gas is black in colour.AnswerFalse. Methane gas is colourless.View full question & answer→
Question 41 MarkStructural formula of propyne is CH3 – C = CH.AnswerFalse. Structural formula of propyne is CH3 – C = CH.View full question & answer→
Question 51 MarkCoke is used in production of water gas i.e. (CO2 + H2O).AnswerFalse. Coke is used in production of water gas i.e. (CO + H2).View full question & answer→
Question 81 MarkThe density of diamond is 9.8 g/cm3.AnswerFalse: The density of diamond is 3.5 g/cm3.View full question & answer→
Question 91 MarkGraphite is used in making lubricants and lead pencils.Answer1View full question & answer→
Question 101 MarkCovalent compounds are soluble in organic solvents.Answer1View full question & answer→
Question 121 MarkCovalent compounds are good conductor of electricity.AnswerFalse. Covalent compounds are bad conductor of electricity.View full question & answer→
Question 131 MarkEthene is saturated hydrocarbon.AnswerFalse. Ethene is Unsaturated hydrocarbon.View full question & answer→
Question 141 MarkHydrocarbons with double bonds are called as saturated hydrocarbons.AnswerFalse. Hydrocarbons with double bonds are called as Unsaturated hydrocarbons.View full question & answer→
Question 151 MarkStudy of organic compounds is called as organic chemistry.Answer1View full question & answer→