The organic compound used as antiknock agent in petroleum is____________? April 15, 2025 by admin A. (C2H5 )4Pb B. TNT C. CH MgBr3 D. C2H5 )2Hg
Octane number is 0 value for ___________? April 15, 2025 by admin A. iso-octane B. n-hexane C. n-heptane D. iso-heptaneThe correct answer to the question: "Octane number is…
The salt that gives the aqueous solution with pH less than 7, is called as____________? April 15, 2025 by admin A. Basic salt B. Acidic salt C. Neutral salt D. Amphoteric saltA salt that gives an aqueous solution with…
The heaviest subatomic particle among the following is_________? April 15, 2025 by admin A. Electron B. Proton C. Neutron D. All have massThe neutron is the heaviest subatomic particle:…
The rays that have negative charge are ___________? April 15, 2025 by admin A. Anode Rays B. Cathode Rays C. Canal Rays D. Gamma RaysCathode rays are negatively charged rays. They are…
The Maximum mass of an atom is present in ___________? April 15, 2025 by admin A. Shell B. Nucleus C. Energy levels D. OrbitThe nucleus is the positively charged centre of an…
The subatomic particle that has negative charge is___________? April 15, 2025 by admin A. Electron B. Proton C. Neutron D. None of TheseThe negatively charged subatomic particle is known…
Nucleus of an atom was discovered by___________? April 15, 2025 by admin A. Goldstein B. James Chadwick C. J J Thomson D. RutherfordErnest Rutherford discovered the nucleus of an atom in…
The general formula for alkenes is:______________? April 15, 2025 by admin A. CnH2n+1 B. CnH2n+2 C. CnH2n D. CnH2n-2The correct answer to the question: "The general formula…
Polyvinyl acetate is the Polymer of __________? April 15, 2025 by admin A. Vinyl Chloride B. Vinyl acetate C. Formaldehyde D. Methyl methacrylateThe correct answer to the question: "Polyvinyl acetate…
