A. Radio elements
B. Active elements
C. Radioactive elements
D. Nuclear elements
Submitted by: Rashid Mehmood
Correct Answer: Radioactive elements ✔
Last Updated: February 08, 2020
Related MCQs
- Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
- Treatment of sucrose with conc. HNO3 gives__________?
- The systematic name of sucrose is_______?
- How many isomeric aldoses are possible for the molecular formula C6H12O6?
- The IUPAC name of pyridines is__________?
- The hybridization of nitrogen atom in pyridine is_______?
- Following are the anions of soap which form Ca and Mg ions which we see as curd in water
- Which of the following compounds is not soluble in HNO3___?
- The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?
- The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?
- A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?
- When SO2 solution is passed over which of the following it turns green?
- The composition of ‘ Golden spangles is_________?
- What is chemical symbol for Tungsten?
- Noble gases are so called zero group because they have:_________?
- If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
- The reaction of Lucas reagent is the fastest with_________?
- For the reaction 2HI __________> H2+ I2
- If volumetric analysis methyl orange indicator is used when_________?
- Ethylene diammine is ligand________?
- Formula of Galena is________?
- Molecular orbital Theory is also called_________?
- BeCl2 has the hybrid orbitaks of type_______?
- I3( Tri-iodine) has shape_________?
- Water molecule is________?
- In borax bead test which compound is formed_________?
- Percentage of lead in lead pencil is________?
- Cassiterite is an ore of_______?
- Which of the following shows electrical conduction_____?
- The type of hybridisation of boron in diborane is______?
- Which of the following element has the maximum electron affinity_____?
- The structure of H2O2 is_______?
- The volume strength of 1.5 N H2O2 solution is_______?
- A 10 volume solution of H2O2 means_______?
- Electronic Configuration of Calcium (Ca) atom may be written as________?
- Ce58 is a member of__________?
- Basicity of orthophosphoric acid is________?
- Gypsum is______?
- In melting of iron, which of the following reactions takes place in Bladt Furnace at 400°C- 600°C________?
- Parke’s process is used in the extraction of________?
- Which metal is used as a reducing agent in Smelting______?
- A process used for the Concentration of Ore is________?
- Which Oxide of Manganese is amphoteric?
- The purpose of Smelting an ore is to________?
- Which set of quantum numbers is not allowed?
- Find the PH of a 0.001 M solution of Nitric acid HNO3?
- Potassium Permanganate is used for purifying drinking water, because_________?
- Marsh gas is_______?
- The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______?
- The average salinity of sea water is________?
- Tetraethyl lead is used as______?