1st PUC Chemistry Series-10 December 2, 2020December 23, 2020wefru PUC Science 1st Year Chemistry Series-10 quiz 1 Created on December 02, 2020 By wefru 1st PUC Chemistry Series 10 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 Q91Which one is the most stable carbonate? BeCO3 CaCO3 MgCO3 BaCO3 2 / 10 Q92. Plaster of Paris (POP) is CaSO4 1/2H2O CaSO4 H2O CaSO4 2H2O CaSO4 3 / 10 Q93Which oxide is amphoteric? MgO BeO O2 Mg 4 / 10 Q94The tendency to lose their valance electron easily by alkali metals makes them strong reducing agent weak reducing agent strong oxidising agent weak oxidising agen 5 / 10 Q95Which one is known as a fusion mixture? Na2CO3 + NaHCO3 Na2CO3 + K2CO3 Na2CO3 + K2SO4 Na2CO3 + K2CO3 6 / 10 Q96 Find the incorrect trend for alkaline earth metals second ionization energy Be < Mg < Ca < Sr atomic size Be < Mg < Ca < Sr Hydration enthalpy Sr < Ca < Mg < Be Density Ca < Mg < Be < Sr 7 / 10 Q97 How many orbitals can have the following set of quantum numbers, n = 3, l = 1, m1 = 0 ? 7 4 1 6 8 / 10 Q98Electronic configuration of the outer shell of the element Gd with atomic number 64 is 4f7 5d1 6s2 4f5 5d4 6s1 4f3 5d5 6s2 4f4 5d5 6s1 9 / 10 Q99Maximum number of electrons in a subshell can be 4l + 5 3l+ 2 4l - 2 4l + 2 10 / 10 Q100 The orientation of atomic orbitals depends on their spin quantum number principal quantum number magnetic quantum number azimuthal quantum number Your score isThe average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz