CHEMISTRY ONLINE TEST 14 November 22, 2025November 22, 2025 BIKKI NEWS : Chemistry online test 14 for NEET EAPCET and JEE. జేఈఈ, నీట్, ఎఫ్సెట్ వంటి ప్రవేశ పరీక్షల కొరకు ఉచితంగా కెమిస్ట్రీ ఆన్లైన్ టెస్ట్. Chemistry online test 14 for NEET EAPCET and JEE CHEMISTRY ONLINE TEST 14 1 / 10 Lead storage batteries contain — PbO₂ and Pb Pb₂O₃ PbCl₂ PbSO₄ only 2 / 10 Which of the following is known as artificial diamond? Graphite Silicon carbide Fullerene Carbon nanotube 3 / 10 Which element forms both covalent and ionic compounds? Carbon Tin Silicon Lead 4 / 10 The correct order of acidic strength of oxides is — SnO₂ < SiO₂ < CO₂ CO₂ < SiO₂ < SnO₂ CO₂ < SnO₂ < SiO₂ SiO₂ < CO₂ < SnO₂ 5 / 10 The most stable oxidation state of tin (Sn) is — 0 +2 +4 +3 6 / 10 Which compound is used in the manufacture of cement? SiO₂ CaCO₃ CO₂ C (graphite) 7 / 10 Silicones are polymers of — SiO₂ SiC R₃SiH R₂SiO 8 / 10 Which allotrope of carbon is used as a lubricant? Diamond Fullerene Carbon black Graphite 9 / 10 Which of the following elements shows maximum metallic character in Group 14? Pb C Si Ge 10 / 10 The oxidation state of carbon in HCOOH (formic acid) is — +1 +2 +4 0 Your score isThe average score is 33% 0% Restart quiz