SINDH MDCAT 2019 CHEMISTRY#Chemical Bonding#Hybridization931Choose the best answerSp³ hybrid orbitals are formed by the mixing of: (Sindh MDCAT 2019)AOne s and two pBOne s and three pCOne s and one pDTwo s and two p Like 1 Discuss 0Share
Industrial ChemistryPeptide Bonds in Proteins932Choose the best answerProteins are primarily composed of amino acids linked together by:AGlycosidic bondsBPeptide bondsCHydrogen bondsDEster bonds Like 0 Discuss 0Share
Chemical BondingUnpaired Electrons933Choose the best answerThe number of unpaired electrons in NH₃ is:A0B1C3D4 Like 0 Discuss 0Share
LiquidsHydrogen Bonding in Biomolecules934Choose the best answerThe two strands of a DNA double helix are held together mainly by:AHydrogen bondingBIonic bondingCMetallic bondingDCovalent bonds between the two strands Like 0 Discuss 0Share
Chemical EquilibriumSolubility Product935Choose the best answerFor a sparingly soluble salt, the solubility product (Ksp) is mainly used to predict:ARate of dissolutionBWhether precipitation will occurCHeat of solutionDColour of the salt Like 1 Discuss 0Share