A gas evolved while applying heat to a chemical reaction, which turns blue litmus paper red islikely to be--------------A. carbon dioxide gasB. oxygen gasC. ammonia gasD. none of the above

The addition of dilute NaOH to a sample followed by heating evolved a gas, which turned redlitmus paper to blue. This reveals that the compound is likely to beA. an unknown compound of a gasB. an aldehydeC. an amideD. none of the aboveAn evolved gas that is neutral to litmus paper is likely to beA. carbon dioxide gasB. ammonia gasC. chlorine gasD. oxygenAn example of a choking gas is------------A. carbon monoxide gasB. oxygen gasC. nitrogen gasD. ammonia gasThe general formula for carboxylic acid isA. RCOB. RCOOC. RCOOOD. RCOOHEthanoic acid is the same as------------A. acetic acidB. methaneC. propaneD. acetoneEthanol is a compound that belongs to the family ofA. alkanoic acidsB. aldehydesC. alkanolsD. none of the aboveAkinade was given some ethanol in a small vial. She added 2 cm3 of ethanoic acid and a few dropsof concentrated H2SO4. On heating, he observedA. a pungent smellB. a choking smellC. no smell was given offD. a pleasant fruity smell

When concentrated H2SO4𝐻2𝑆𝑂4 is added to NaCI (s), the gas evolvedA. bleaches damp blue litmus paperB. forms a white preciptate with AgNO3(aq)C. forms a white precipitate with BaCI2(aq)D. turns moist red litmus paper blue

Gas evolved when Calcium oxide reacts with water is/are :A.oxygenB.carbon dioxideC.hydrogenD.both hydrogen & oxygen

The reaction of H2 gas with oxygen gas to form water is an example of ?

What gas is usually evolved on reacting an acid with a metal?Group of answer choicesNitrogenCarbon dioxideHydrogenOxygen