The equilibrium of two readily interconvertible isomers is called:?a) Stereoisomerismb) Metamerismc) Tautomerismd) None of these Which of the following compounds exhibit geometrical isomerism?a) 1-Penteneb) 2-Pentenec) 2-methyl –2-Pentened) None of these 53.Ex.…
Derivatives of perhydrocyclopentanophenanthrene are called as: (PPSC-2021)?a) Phospholipidsb) Proteinsc) Steroidsd) None of these When all the monosaccharides in a polysaccharide are same type, such type of a polysaccharide is called a…
1- Mohr's salt is an example of?a) Acidic saltb) Double saltc) Mixed saltd) None of these Lyman series lies in in?a) Visible regionb) UV regionc) IR regiond) None of these Light…
KARACHI: Pakistan’s short-term inflation, as measured by the Sensitive Price Indicator (SPI), recorded a slight decline of 0.26% for the week ending January 2, 2025, according to data released by the…
PESHAWAR: The aid convoy to Parachinar in the restive Kurram district will be dispatched once the security situation stabilizes, said Khyber Pakhtunkhwa government spokesperson Barrister Saif on Saturday. Attack on Deputy…
Heat does not spontaneously flow from a colder body to a hotter one. Which of the following thermodynamics law states this?a) Zeroth law of thermodynamicsb) First law of thermodynamicsc) Second law…
IntroductionPakistan Tehreek-e-Insaf (PTI) Central Information Secretary, Sheikh Waqas Akram, provided an update on the ongoing civil disobedience movement. Speaking to ARY News, he confirmed that the first phase of the movement…
Pakistan has officially commenced its eighth term as a non-permanent member of the United Nations Security Council (UNSC) for the period 2025-26. This significant milestone was marked by the installation of…
On Monday, Planning Minister Ahsan Iqbal announced that the government would unveil the National Economic Transformation Plan for the next five years. The launch is scheduled for the following day, as…
1- Which of the following is not the consequence of ozone layer depletion?a) Increased ultraviolet raysb) Cyanobacteria are sensitive to UV radiation and would be affected by its increase.c) Malignant melanoma-Another…