Question Detail Mass number of a nucleus is : the sum of the number of protons and neutrons present in the nucleusalways more than the atomic weightalways less than its atomic numberNone of above Answer: Option A Similar Questions : 1. Oxides of metals are alkaline. TRUEFALSE Answer: Option A 2. The aqueous solution of which acids is called Vinegar ? Acetic acidHydrochloric acidCitric acidOxalic acid Answer: Option A 3. Which gas is used in fire extinguishers ? Carbon dioxideNitrogen oxideCarbon monoxideSulpher dioxide Answer: Option A 4. The material which can be deformed permanently by heat and pressure is called a thermosetthermoplasticchemical compoundpolymer Answer: Option A 5. Sugars are converted in the liver into GlycogenVitaminMonosaccharideNone of above Answer: Option A Read more from - Chemistry Questions Answers