Question Detail The cyclotron is used to accelerating particlesseparating elementspurifying metalsmaking alloys Answer: Option A Ad Similar Questions : 1. Which metal is heaviest ? osmiummercuryironnickle Answer: Option A 2. The nuclear particles which are assumed to hold the nucleons together are ? positronsneutrons electronsmesons Answer: Option D 3. The ejection of electrons when a metal surface is irradiated is known as Black body radiationPhotoelectric effectZeeman effectAtomic spectrum Answer: Option B 4. Which of the following gases is the most toxic? Carbon dioxideSulphur dioxideCarbon monoxideAcetic acid Answer: Option C 5. What is a mixture of potassium nitrate powdered charcoal and sulphur called? paintaluminiumbrassgun powder Answer: Option DExplanation:gun powder is the mixture of potassium nitrate powdered charcoal and sulphur. Read more from - Chemistry Questions Answers