Question Detail What is used to avoid melting of ice ? GelatineButaneMethaneAny acid Answer: Option A Ad Similar Questions : 1. 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 2. How many different oxides are formed by nitrogen ? twothreefourfive Answer: Option A 3. Brass is an alloy of ? Copper and TinCopper and ZincCopper and AluminiumIron and Copper Answer: Option B 4. The metal that is used as a catalyst in the hydrogenation of oils is ? PbNi Cu Pt Answer: Option B 5. Who is regarded as father of modern chemistry ? RuterfordEinsteinLavoisierC.V. Raman Answer: Option C Read more from - Chemistry Questions Answers