1241 Atom is the smallest particall which is_________? Chemistry Medium Full question → A Indivisible B Divisible C Both D Non of these
1242 Which statement is incorrect ? Chemistry Medium Full question → A All the metals are good conductor of electricity B All the metals are good conductor of heat C All the metals form positive ions D All the metals form acidic oxides
1243 Which one of the following statement is correct for urea ? Chemistry Medium Full question → A it is a synthetic fertilizer B it is a natural fertilizer C it provides micronutrients to the plants D it is an inorganic water soluble compound
1244 Which of the following statement is correct ? Chemistry Medium Full question → A size of Cl atoms > Cl- ion B size of Na+ ion < Na atom C size of Na atom < Na+ ion D Cl- < Na+
1245 An acid-Base Reaction is always a/an __________? Chemistry Medium Full question → A Endothermic B Exothermic C Fission D Fusion
1246 A metallic atom loses its valence electron to form a/an _________? Chemistry Medium Full question → A an anion B a cation C an anion – cation D none of these
1247 Chemistry is given from ……language ? Chemistry Medium Full question → A Latin B Greek C Arabic D None of these
1248 Atoms of all the elements always contain in nucleus: Chemistry Medium Full question → A Proton and neutron B Neutron and electron C Proton D Neutron
1249 What is the mass of one mole of Iodine? Chemistry Medium Full question → A 74g B 254g C 127g D 53g
1250 The earth absorb radiation in Visible range but emit radiation at the same rate in the: Chemistry Medium Full question → A Ultra voilet B Gamma rays C Infrared D All of these
1251 Traffic policemen on duty at busy street crossings during heavy traffic rush hours are advised to use:__________? Chemistry Medium Full question → A Hydrogen tank B Nitrogen tank C Oxygen tank D None of these
1252 The rate of formation of ozone depends on the flux of: Chemistry Medium Full question → A visible radiation B Ultra violet radiation C Infrared radiation D Gamma rays
1253 Polyamides are synthetic polymers commonly known as___________? Chemistry Medium Full question → A synthetic B Protein C Cellulose D Nylon
1254 How much solar flux absorb by earth’s surface is used to drive hydrologic cycle: Chemistry Medium Full question → A 1/2sec B 1/3rd C 1/4th D 1/5th
1255 Which one of the following serve as aquatic solar fuel cell: Chemistry Medium Full question → A Bacteria B Virus C Fungi D Algae
1256 Who used the term Concentrationwindow to draw the arbitrary lines of demarcation Chemistry Medium Full question → A Einstein B Dr.A.Walash C Schwartz D S.E.Manhan
1257 Element that have same number of neutrons are called__________? Chemistry Medium Full question → A isotope B isobar C isotone D None of these
1258 Calculate % of N in KNO3__________? Chemistry Medium Full question → A 14.34% B 18.56% C 13.86% D None of these
1260 The process in which solid changes directly into vapours without passing through liquid state? Chemistry Medium Full question → A Decantation B Sublimation C Evaporation D None