1321 Metal are highly ___________ ? Chemistry Medium Full question → A Electropositive B Electronegativity C Both of these D Neutral
1322 Atomic number of Mn is 25 what is the electronic configuration in the ground state________________? Chemistry Medium Full question → A 1s2 2s2 2p6 3s2 3p6 3d7 B 1s2 2s2 2p6 3s2 3p6 4s2 4p5 C 1s2 2s2 2p6 3s2 3p5 3d10 D 1s2 2s2 2p6 3s2 3p6 4s23d5
1323 Black foot disease is caused by the pollution of groundwater as a consequence of increased seepage of:__________? Chemistry Medium Full question → A Nitrates B Fluorides C Arsenic D Mercury
1324 Main use of salt in diet is to : ___________? Chemistry Medium Full question → A ease the process of cooking B increase the taste C produce small amount of hydrochloric acid required for digestion D inclease solubility of food particles in water
1325 The source of the Sun’s energy is the process of ____________? Chemistry Medium Full question → A Photoelectric emission B Nuclear fission C Nuclear fusion D Thermionic emission
1326 The snow on the mountains does NOT melt all at once when it is heated by the sun because: Chemistry Medium Full question → A it becomes very hard B it reflects most of the heat from the sun C it has a low specific heat capacity D it has a high latent heat of fusion
1327 Optic fibres are used in : Chemistry Medium Full question → A CAT scans B X-ray photos C Ultrasound scans D Endoscopy
1328 The radio-active element used in heart pacemakers is ___________? Chemistry Medium Full question → A Uranium B Deuterium C Plutonium D Radium
1329 Where does the oxygen that keeps us alive come from? Chemistry Medium Full question → A Carbon dioxide B Carbonates absorbed from soil C Oxides of minerals D Water
1330 What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ? Chemistry Medium Full question → A Radium dating B Uranium dating C Carbon dating D Deuterium dating
1331 Milk tastes sour when kept in the open for sometime due to the formation of __________? Chemistry Medium Full question → A lactic acid B citric acid C acetic acid D carbonic acid
1332 Who discovered carbohydrates fats and proteins? Chemistry Medium Full question → A William Prout B Jons Jacob Berzelius C Anselme Payen D Walter Bradford Cannon
1333 Hookworm is a parasitic worm that infects ______? Chemistry Medium Full question → A large intestine B liver C lungs D small intestine
1334 Hexamethylene diamine and adipic acid combine to form _____________? Chemistry Medium Full question → A Natural rubber B Synthetic rubber C nylon 6-6 D Polystyrene
1335 Example of copolymers is _____________? Chemistry Medium Full question → A Polyethylene B PVC C Orlon D nylon 6-6
1336 Nylon-2-nylon-6 is a__________polymer? Chemistry Medium Full question → A biodegradable polymer B Synthetic polymer C Natural polymer D Branched polymer
1337 Methyl radical is ___________? Chemistry Medium Full question → A Sp3 hybrid having 8 electrons B Sp2 hybrid having 6 electron C sp2 hybrid having 7 electron D Sp hybrid having linear geometry
1338 Electromeric effect is ____________? Chemistry Medium Full question → A Permanent effect B Operate due to electronegativity difference C temporary effect D None of the above
1339 Hyperconjugation is also known as ____________? Chemistry Medium Full question → A Reasonable B no bond reasonable C Inductive effect D Electromeric effect
1340 Greater the heat of neutralization the acid will be____________? Chemistry Medium Full question → A more stronger B More weaker C Not related to acid strength D None of the above