Question Detail Rare gases are mono atomicdi atomictri atomicNone of above Answer: Option AExplanation:Rare gases are mono atomic. Similar Questions : 1. What is laughing gas ? nitrous oxidenitric oxidenitrogen oxidenitrogen peroxide Answer: Option A 2. Who is regarded as father of modern chemistry ? RuterfordEinsteinLavoisierC.V. Raman Answer: Option C 3. The most abundant element in the earth's crust is ? AluminiumNitrogenSiliconOxygen Answer: Option D 4. Oxides of metals are alkaline. TRUEFALSE Answer: Option A 5. Which of the following is produced during the formation of photochemical smog ? Nitrogen OxidesHydrocarbonsMethaneOzone Answer: Option D Read more from - Chemistry Questions Answers