Question Detail The chemical used as a fixer in photography is ? sodium thiosulphatesodium sulphateboraxammonium sulphate Answer: Option A Similar Questions : 1. The oxide of Nitrogen used in medicine as anaesthetic is ? Nitrogen pentoxideNitrous oxideNitric oxideNitrogen dioxide Answer: Option A 2. Iodine can be separated from a mixture of Iodine and Potassium Chloride by ? FiltrationSublimationDistillationSedimentation Answer: Option B 3. Identify the wrong statement in the following Atomic radius of the elements increases as one moves down the first group of the periodic tableAtomic radius of the elements decreases as one moves across from left to right in the 2nd period of theAmongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radiusAmongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius Answer: Option C 4. Which is not a type of elements ? MetalsNon MetalsMetalloidsGases Answer: Option D 5. What is metallurgy ? process of extracting metal in pure form from its ore.process of creating alloys of metals.process of making metals live long.None of above. Answer: Option A Read more from - Chemistry Questions Answers