Question Detail The metal that is used as a catalyst in the hydrogenation of oils is ? PbNi Cu Pt Answer: Option B Ad Similar Questions : 1. The most malleable metal is platinumsilvergoldiron Answer: Option C 2. The aqueous solution of which acids is called Vinegar ? Acetic acidHydrochloric acidCitric acidOxalic acid Answer: Option A 3. The isotope atoms differ in ? number of neutronsatomic numbernumber of electronsatomic weight Answer: Option AExplanation:Important to note that isotope atoms have same atomic number. 4. Which metal is heaviest ? osmiummercuryironnickle Answer: Option A 5. Oil of vitriol is nitric acidsulphuric acidhydrochloric acidphosphoric acid Answer: Option B Read more from - Chemistry Questions Answers